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School licenses from 40p per copy https://www.freesciencelessons.....co.uk/school-licenc

In this video, we look at refraction of waves. First we explore what is meant by refraction and look at how this is due to changes in the speed of waves as they change from one medium to another. Finally, we use the idea of wavefronts to explain how changes in wave speed cause refraction.

This video is based on the AQA spec. If you are following a different exam board then you should check your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.

Image credits: https://creativecommons.org/licenses/by/2.0/uk/

Glass with striped background
JrPol
https://commons.wikimedia.org/....wiki/File:R-DSC00449

Straw in blue water
Bcrowell
https://commons.wikimedia.org/....wiki/File:Refraction

Music credit: Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/r....oyalty-free/?keyword
Artist: http://incompetech.com/

Come on guys... it's not rocket science

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This video covers:
- Brief summary of what transformers do (i.e. step up or step down the voltage)
- How transformers work

Exam board specific info:
AQA - Separate/triple science and higher tier only
IGCSE Edexcel - Separate/triple science and higher tier only
Edexcel - Higher tier only
OCR 21st Century - Separate/triple science and higher tier only
OCR Gateway - Separate/triple science and higher tier only

Maths Playlist:
https://www.youtube.com/playli....st?list=PLidqqIGKox7

GCSE Chemistry playlist:
https://www.youtube.com/watch?v=fN8kH9Vvqo0&list=PLidqqIGKox7WeOKVGHxcd69kKqtwrKl8W

GCSE Biology Playlist:
https://www.youtube.com/watch?v=--dIBinUdeU&list=PLidqqIGKox7X5UFT-expKIuR-i-BN3Q1g

GCSE Physics Playlist:
https://www.youtube.com/watch?v=aHVJfRxeAxo&list=PLidqqIGKox7UVC-8WC9djoeBzwxPeXph7

NOTE: We would like to correct an error in this video. Birds do not get electrocuted when resting on power lines because there is no path to ground. Electricity has to flow from a place of high potential to low potential to electrocute. If a bird were to touch the line and some grounded metal of some kind, they could be shocked.

Hello Teachers and Parents! In this video we will learn all about electricity. Your student(s) will learn about lightning, power plants, Direct Current (DC) and Alternating Current (AC). We even talk about when electricity was discovered and go over topics like conductors and insulators. By the time you are done watching this video your child will have a much better understanding of what electricity is, where it comes from, and the amazing things it can do.

We know that electricity can be a tricky topic to cover so throughout the video we provide really good examples and break down the complex ideas. We also have a complete lesson plan full of worksheets and activities that will help your student practice what they are learning. You can download for free here: https://learnbright.org/lesson....s/science/electricit

In this video we will learn:
0:00 What is Electricity?
1:38 What is a Direct Current?
4:13 What is an Alternating Current?
5:55 How do Power Plants produce Electricity?
6:51 How do Magnets create Electricity?
7:33 What is Static Electricity?
8:35 What is a Conductor?
9:08 What is an Insulator?
10:21 When was Electricity Discovered?
11:31 Learning Activity | Can you solve the Electricity Riddle?

Check out some of our other electricity-related videos here:
Magnets: https://youtu.be/7HHs98PBgk0

Thank you for watching and learning with us! We’re constantly releasing new content and videos, so click that “Subscribe” button and you’ll get notified.

Find and Follow Us Online:
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*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high quality and engaging lessons for your elementary aged student(s). Visit us, sign up for a free account, and instantly you'll have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will really enjoy! We hope to see you soon!

Browse our entire collection of Science lesson plans: https://learnbright.org/lessons/?filter_subject=science

#ElectricityForKids
#WhatIsElectricity

Test your knowledge with this quick quiz! https://youtu.be/Hq6csk5neb4
EM SPECTRUM SONG: https://youtu.be/bjOGNVH3D4Y
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----------------------------------------------------
00:00 Intro
00:25 Forces - vectors & scalars
02:09 Weight & work done
03:20 Springs
04:42 Moments (TRIPLE)
05:21 Pressure in fluids (TRIPLE)
06:27 Graphs of motion - velocity & acceleration
08:05 Equations of motion
09:12 Newton's laws of motion
11:20 Stopping distances
12:08 Momentum
13:42 Force & momentum (TRIPLE)
14:24 Waves
16:52 Sound & seismic waves (TRIPLE)
18:14 EM spectrum
19:39 Refraction
20:36 Lenses (TRIPLE)
22:57 Colour & blackbody radiation (TRIPLE)
23:57 Magnetism
25:14 Motor effect
26:49 Motors & loudspeakers
27:36 Generator effect (TRIPLE)
29:23 Transformers (TRIPLE)
31:43 Solar system & life cycle of stars
33:11 Satellites & circular motion
34:11 Red shift & Big Bang theory

GCSE workbooks https://www.amazon.co.uk/Dr-Shaun-Donnelly/e/B084FH9JPF?ref_=dbs_p_pbk_r00_abau_000000&_encoding=UTF8&tag=freesciencele-21&linkCode=ur2&linkId=1fbc0f5c3e7450e895637b56ee343168&camp=1634&creative=6738
School licenses from 40p per copy https://www.freesciencelessons.....co.uk/school-licenc

In this video, we look at how to carry out Required Practical 4: Current-PD characteristics of components. These include a resistor, a filament lamp and a diode.

This video is based on the AQA spec. If you are following a different exam board then you should check your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.

Image credits: https://creativecommons.org/licenses/by/2.0/uk/

Student studying: Gnarlycraig
https://commons.wikimedia.org/....wiki/File:Studying.j

Music credit: Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/)
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Artist: http://incompetech.com/

Use code HISTORY16 for up to 16 FREE MEALS + 3 Surprise Gifts across 7 HelloFresh boxes plus free shipping at https://bit.ly/3Rkknac !
---------------------------------------------------------------------
If you like this video, check out writer Geraint Lewis´ excellent book, co-written with Chris Ferrie:
Where Did the Universe Come From? And Other Cosmic Questions: Our Universe, from the Quantum to the Cosmos
https://www.amazon.com/Where-U....niverse-Other-Cosmic

AND check out his Youtube channel:

https://www.youtube.com/c/AlasLewisAndBarnes

Incredible thumbnail art by Ettore Mazza, the GOAT: https://www.instagram.com/ettore.mazza/?hl=en

Art created by soso112429, and Joe from History Dose: www.youtube.com/historydose

Thanks to Alexander Long for speculative fiction suggestions.

Music from Silver Maple, Epidemic Sound and Artlist.

Stock footage from Videoblocks and Artgrid, images of galaxies from NASA and ESO/Hubble.

Image Credits:

Steam engine Tfme, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons

Caesium Clock By Binarysequence - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/....w/index.php?curid=24

Arecibo By Mariordo (Mario Roberto Durán Ortiz) - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/....w/index.php?curid=81

World line By Cyp - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/....w/index.php?curid=28

Roger Penrose By Cirone-Musi, Festival della Scienza, CC BY-SA 2.0, https://commons.wikimedia.org/....w/index.php?curid=19

Wormhole By MikeRun - Own work, using Wurmloch (Wormhole) by MrFreakmanis (CC BY-SA 3.0) (https://www.thingiverse.com/thing:190022), CC BY-SA 4.0, https://commons.wikimedia.org/....w/index.php?curid=10

Dirac Plaque By Nightryder84 - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/....w/index.php?curid=15

Spacetime Cone By SVG version: K. Aainsqatsi at en.wikipedia Original PNG version: Stib at en.wikipedia - Transferred from en.wikipedia to Commons. (Original text: self-made), CC BY-SA 3.0, https://commons.wikimedia.org/....w/index.php?curid=22

00:00 Introduction
04:59 What Is Space?
14:45 What Is Time?
25:26 New Space
44:16 New Time
1:00:09 Quantum Spacetime

GCSE workbooks https://www.amazon.co.uk/Dr-Shaun-Donnelly/e/B084FH9JPF?ref_=dbs_p_pbk_r00_abau_000000&_encoding=UTF8&tag=freesciencele-21&linkCode=ur2&linkId=1fbc0f5c3e7450e895637b56ee343168&camp=1634&creative=6738
School licenses from 40p per copy https://www.freesciencelessons.....co.uk/school-licenc

In this video, we start looking at resistance. Students sometimes find the idea of resistance tricky at first so I'll take you through the basic ideas and then how to calculate resistance.

This video is based on the AQA spec. If you are following a different exam board then you should check your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.

Image credits: https://creativecommons.org/licenses/by/2.0/uk/

Student studying: Gnarlycraig
https://commons.wikimedia.org/....wiki/File:Studying.j

View full lesson: http://ed.ted.com/lessons/the-....physics-of-the-harde

In the third act of "Swan Lake", the Black Swan pulls off a seemingly endless series of turns, bobbing up and down on one pointed foot and spinning around and around and around ... thirty-two times. How is this move — which is called a fouetté — even possible? Arleen Sugano unravels the physics of this famous ballet move.

Lesson by Arlene Sugano, animation by Dancing Line Productions.

Have you ever found yourself pondering the mysteries of the atom? In this documentary, we're diving into some of the most thought-provoking questions that bridge the gap between the microscopic world of atoms and the expanse of the universe.

*Energy Source for Electron Movement:*
One of the wonders of atomic structure is how electrons orbit the nucleus. But where do these tiny particles get the energy to perform this intricate dance? We'll delve into the fascinating mechanisms that fuel electron motion.

*The Birth of the First Atom:*
Ever wondered how the very first atoms formed? Join us as we explore the cosmic timeline and the events that gave rise to the building blocks of matter after the Big Bang.

*Touching Atoms: Myth or Reality?*
Do atoms ever truly touch each other? Discover the surprising truth behind atomic interactions and the forces that come into play when particles get close.

*Identity of Identical Atoms:*
Are two atoms of the same element truly identical? We'll delve into the atomic world to uncover the subtle differences that can exist even within the same element.

*Colorful Atoms?*
Can atoms have colors? While atoms themselves aren't colorful in the visible spectrum, they can exhibit fascinating light-related behaviors that we'll explore.

*Overcoming Proton Repulsion:*
The positively charged protons in an atomic nucleus should repel each other due to their like charges. Explore the powerful force that prevents them from flying apart.

*Proton's Size Unveiled:*
How big is a proton? We'll zoom in to the subatomic level and discuss the dimensions of these fundamental particles that play a crucial role in atomic nuclei.

*Solidity in Empty Space:*
If atoms are mostly empty space, how can objects appear and feel solid? Join us to unravel the mysteries of solidity in the midst of atomic emptiness.

*The Dance of Atoms - Formation of Molecules:*
Why do atoms come together to form molecules? Discover the intricate chemistry behind the bonds that unite atoms into the diverse molecules we encounter.

*Neutron Stars - Giants of Nuclear Matter:*
Is a neutron star akin to a colossal atom? We'll explore the extreme conditions of these celestial wonders and their relationship to atomic structures.

*A Universe Within an Atom:*
Imagine the universe as an atom. Could there be a connection between the macroscopic and the microscopic? We'll embark on a speculative journey into this intriguing concept.

*Atoms After Life:*
Ever wondered what happens to your atoms after you pass away? We'll discuss the fate of the atoms that once composed your body and their journey through the natural cycle.

*Eternal Existence of Atoms:*
Do atoms last forever? Uncover the changes atoms undergo through various processes and consider the intriguing concept of their enduring nature.

Thank you for joining us on this captivating exploration of atoms and the universe. We hope this video sparks your curiosity and provides a deeper understanding of the mysteries that shape our reality. Don't forget to like, subscribe, and hit the notification bell for more captivating content.

Chapters:
00:00 Introduction
00:39 Where Do Electrons Get Energy To Spin Around An Atom's Nucleus?
05:34 How Did the First Atom Form?
13:55 Do Atoms Ever Actually Touch Each Other?
17:37 Are Two Atoms of The Same Element Identical?
21:18 Does an Atom Have a Color?
25:56 Why Don't Protons Repel Each Other Out Of The Nucleus?
29:22 How Big Is a Proton?
33:31 If Atoms Are Mostly Empty Space, How Can Things Be Solid?
36:23 Why Do Atoms Form Molecules?
41:43 Is a Neutron Star Just One Giant Atom?
46:18 What If The Universe is An Atom?
50:41 What Happens to Your Atoms After You Die?
57:19 Do Atoms Last Forever?

ESPN Sport Science enlists X Games street skating champion Nyjah Huston to help explore the physics of skateboarding.

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Exclusive interviews with Rachel Nichols https://urlzs.com/jNURe
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ESPN on Social Media:
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Visit ESPN on YouTube to get up-to-the-minute sports news coverage, scores, highlights and commentary for NFL, NHL, MLB, NBA, College Football, NCAA Basketball, soccer and more.

More on ESPN.com: http://www.espn.com

http://scienceshorts.net Please don't forget to leave a like if you found this helpful!
--------------------------
00:00 Intro
04:14 Capacitance & Q=VC graph
06:07 Energy stored
07:26 Charging & discharging graphs
08:20 Decay equation (exponential)
09:12 Time constant
10:32 Capacitors in series & parallel
11:40 Capacitance equation & dielectrics -
----------------------------------------------------------------------
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🎯NEET 2024 Paper Solutions with NEET Answer Key: https://www.youtube.com/watch?v=fwXYZUBp4m0&list=PLmdFyQYShrjc4OSwBsTiCoyPgl0TJTgon&index=1
📅🆓NEET Rank & College Predictor 2024: https://infinitylearn.com/neet-rank-predictor?utm_source=YouTube&utm_medium=NEETYT&utm_campaign=LIVE 🎯🎯NEET 2024 Paper Solutions with NEET Answer Key: 👉 https://www.youtube.com/watch?v=fwXYZUBp4m0&list=PLmdFyQYShrjc4OSwBsTiCoyPgl0TJTgon&index=1

📅🆓NEET Rank & College Predictor 2024: https://infinitylearn.com/neet-rank-predictor?utm_source=YouTube&utm_medium=NEETYT&utm_campaign=LIVE

Most people think that Force is just a push or a pull upon an object.
But is there anything more to it? What is a force? What are forces and motion (Physics Grade 9)
Watch this video to know more about force.

Here's the second part of the Force concept - https://www.youtube.com/watch?v=iGwBZTWySWk

To learn more about Forces, enroll in our full course now - https://infinitylearn.com/microcourses?utm_source=youtube&utm_medium=Soical&utm_campaign=DM&utm_content=B6mi1-YoRT4&utm_term=%7Bkeyword%7D

In this video, we will learn:
0:00 Introduction
0:43 Misconceptions about Force
1:36 Net Force
2:37 Force Example
3:33 Forces acting on Stationary Objects
3:44 Forces acting on the Object Moving at Uniform Velocity

To watch more physics videos, click here - https://bit.ly/Physics_DMYT

Don’t Memorise brings learning to life through its captivating educational videos. To Know More, visit https://infinitylearn.com/

NCERT Solutions for Class 6 to 12 – Free CBSE NCERT Solutions
https://infinitylearn.com/surge/study-materials/ncert-solutions/

New videos every week. To stay updated, subscribe to our YouTube channel: http://bit.ly/DontMemoriseYouTube

Register on our website to gain access to all videos and quizzes:
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#Force #Motion #Physics #neet2024 #infinityLearnNEET #neetsyllabus #neet2025

After watching countless hours of 2014 Olympic Game coverage from Sochi, Trace became curious about the actual physics behind curling. Curiosity got the best of him, and he decided to learn about it first hand by actually learning how to play from the professionals themselves!

Read More:
Everything You Need to Know About Curling at the Sochi Olympics
http://keepingscore.blogs.time.....com/2014/02/10/soch
"A quick guide to watching and enjoying the Winter Olympics' strangest sport."

Sochi 2014 Olympic Curling Schedule and Results
http://www.sochi2014.com/en/curling

What Exactly Is Curling?
http://mentalfloss.com/article..../23982/what-exactly-
"Olympic curling has taken to the ice, but if you're like most Americans, this writer included, the game is a bit baffling. Here's a quick, stripped-down primer on everyone's favorite icy alternative to shuffleboard."

Curling
http://en.wikipedia.org/wiki/Curling
"Curling is a sport which players slide stones across a sheet of ice towards a target area which is segmented into four concentric rings."


Special thanks to the SF Bay Area Curling Club and the Oakland Ice Center.
http://www.oaklandice.com/
http://www.bayareacurling.com/

Curling Club on Twitter:
@sfbacc

Mike Greenberg on Twitter:
@m_greenberg

Photo Credit © Mills, Andy/Star Ledger/Corbis

Watch More:
What Are Olympic Medals Made Of?
http://www.youtube.com/watch?v=W2hUdsu-Qqk
TestTube Wild Card
http://testtube.com/dnews/dnews-476-allergies?utm_campaign=DNWC&utm_medium=DNews&utm_source=YT
Physics of Figure Skating
http://www.youtube.com/watch?v=uXn43Nuv-hw

____________________

DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily.

Watch More DNews on TestTube http://testtube.com/dnews

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Laci Green on Twitter http://twitter.com/gogreen18

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DNews on Facebook https://facebook.com/DiscoveryNews

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School licenses from 40p per copy https://www.freesciencelessons.....co.uk/school-licenc

In this video, we look at how to calculate momentum and how momentum is conserved.

This video is based on the AQA spec. If you are following a different exam board then you should check your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.

Image credits: https://creativecommons.org/licenses/by/2.0/uk/

Ernest Rutherford
https://commons.wikimedia.org/....wiki/File:Ernest_Rut

Ernest Marsden
S P Andrew Ltd (1921)
https://commons.wikimedia.org/....wiki/File:Ernest_Mar

Orange car
AngMoKio
https://commons.wikimedia.org/....w/index.php?curid=10

Music credit: Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/r....oyalty-free/?keyword
Artist: http://incompetech.com/

Work, Force & Power | What Is Force | Contact Force | Non Contact Force | What Is Energy | Magnetic Force | Gravitational Force | Educational Video | Best Kids Video | Science Video | Nature Video | Dr Binocs Show | Dr Binocs | Peekaboo Kidz

Hey kids, in this video, Dr Binocs will explain, Force, Work & Energy | What Is Force? | The Dr Binocs Show | Peekaboo Kidz

Animal Adaptations - https://youtu.be/n3OWsRFtTeI

Make sure you watch the whole video to know all the answers to your curious questions!

Leave your ideas, suggestions and questions for Dr. Binocs at this Email Id: peekabookidzfeedback@gmail.com

For more fun learning videos SUBSCRIBE to Peekaboo Kidz: http://bit.ly/SubscribeTo-Peekabookidz

Watch Guess The Shapes With Baby Binocs here - https://youtu.be/vNm422Ta44w

Watch other fun learning episodes of Dr. Binocs here - http://bit.ly/2kfNS22

Watch our NEW SERIES of Baby Binocs, stay tuned to this playlist - http://bit.ly/2kyC2jU

Credits -
Voice of Dr. Binocs - Joseph D'Souza
Voice of Kitty - Joseph D'Souza
Creative Head/Written/Directed by Nitin Navale
Illustrators - Kalpesh Bamne, Mukesh Ishi, Rupesh Hire
Storyboard - Kalpesh Bamne
Animators - Rupesh Hire, Sushant Hodage, Tushar Ishi , Raju Nikumbe, Prasant Bordekar
VFX Artist - Aliasgar Kagalwala
Original Background Music - Jay Rajesh Arya
Sound design - JRA STUDIO MUMBAI
Sound Engineer - Varad J. Khare
Producer - Neha Barjatya
Copyrights and Publishing: Rajshri Entertainment Private Limited
All rights reserved.

#WorkForceEnergy #WhatIsForce #DrBinocsShow #PeekabooKidz

Catch Dr.Binocs At - https://goo.gl/SXhLmc

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Quantum gravity is the hardest problem in physics. It's the attempt to unify the two pillars of modern physics: quantum mechanics and general relativity. It's the study of how gravity works at the quantum level, where the laws of physics are very different from what we experience in everyday life. One of the biggest challenges in quantum gravity is that gravity is the weakest force in nature. It's so weak that it's impossible to study for particles in the lab. We can only see its effects on very large objects, like planets and stars. Scientists have been working on quantum gravity for decades, but they haven't been able to come up with a complete theory. So it remains one of the biggest unsolved mysteries in physics, one that scientists are determined to solve.

For more videos of Cosmos in a minute, follow The Secrets of the Universe.

#cosmosinaminute

#shorts #animation
This video is about the basic concept of electromagnetic induction.
electromagnetic induction is the basic principle of various type of motors and generators.
thank you so much for watching.

When you fall thousands of feet from the sky, it seems like something strange is happening with the laws of physics. Turns out, everything relies on a simple force - DRAG!
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Hosted and written by: Andrew Horning, Banks Hunter, Swati Varshney
Additional scripting: Elizabeth Choe, George Zaidan

Executive producer: Elizabeth Choe
Director: George Zaidan
Editor: Per Hoel (http://perhoel.org/)
Production assistants: Conor Olmstead, Ryan Pelletier

Skydiving footage: Andrew Horning
Special thanks: Jumptown

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In this lesson, you will learn an introduction to physics and the important concepts and terms associated with physics 1 at the high school, college, or university level.

We will review Newton's laws of motion, projectile motion, force, energy (potential and kinetic energy), gravitation, momentum, collisions and more..

A simple and clear explanation of all the important features of quantum physics that you need to know. Check out this video's sponsor https://brilliant.org/dos
I have spent a lot of time thinking about how best to explain quantum physics and this is the result of all my hours of pondering, and I’m really happy with how it turned out. I decided to just explain it as it actually is, rather than rely on analogies. The video explains the quantum wavefunction, particle-wave duality, the measurement problem, the double-slit experiment, superposition, entanglement, quantum tunnelling, the Heisenberg uncertainty principle, and energy quantisation. Let me know if it was helpful! Cheers Dx

#quantum #physics #DomainOfScience

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Further reading
For a more detailed introduction to quantum physics: 'The Quantum Universe' by Brian Cox and Jeff Forshaw is good.
And a slightly more advanced but fantastic description of what we do and don't know about quantum physics is the excellent book 'Beyond Weird' by Philip Ball.

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In this video, we start looking at waves. We explore the key differences between transverse and longitudinal waves. We then look at how when a wave travels, the wave moves but not the medium.

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Mallard
David Whelan
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Drill instructor
Corporal Shawn M. Toussaint
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In this video, we look at static electricity. We start by looking at how electrons can be transferred from one insulator to another to create a static charge. We then look at how this is applied in a Van de Graaff generator. Finally, we explore how static electricity can be dangerous and how we can prevent this.

This video is based on the AQA spec. If you are following a different exam board then you should check your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.

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Electric wire Scott Ehardt
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Plastic knives, forks and spoons Alanthebox
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Van der Graaf generator with top removed Cropped from original image
Zatonyi Sandor
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Van der Graaf generator with top intact Cropped from original image
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Researched and Written by Leila Battison
Narrated and Edited by David Kelly
Thumbnail Art by Ettore Mazza

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References:

https://www.quantamagazine.org..../a-new-map-of-the-st
https://www.newscientist.com/l....astword/mg24732961-5
https://www.bbc.co.uk/news/sci....ence-environment-187
https://theconversation.com/ex....plainer-the-higgs-bo
https://www.aps.org/publicatio....ns/apsnews/200705/ph
https://www.forbes.com/sites/a....lexknapp/2012/07/05/
https://www.newscientist.com/a....rticle/dn22014-celeb
https://www.newscientist.com/a....rticle/2251285-physi
https://home.cern/science/physics/higgs-boson
https://www.iop.org/higgs-boso....n-and-history-univer
https://www.fnal.gov/pub/today..../AAAS2009/pdf/aaas-d
http://news.bbc.co.uk/1/hi/sci/tech/7893689.stm
https://www.discovermagazine.c....om/the-sciences/the-
https://www.popularmechanics.c....om/space/a27259/how-
https://www.forbes.com/sites/s....tartswithabang/2018/
https://www.open.edu/openlearn..../science-maths-techn
https://www.space.com/universe....-total-amount-matter

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By Lucas Taylor / CERN - http://cdsweb.cern.ch/record/628469, CC BY-SA 3.0, https://commons.wikimedia.org/....w/index.php?curid=14
By Basch, [...] / Opdracht Anefo - [1] Dutch National Archives, The Hague, Fotocollectie Algemeen Nederlands Persbureau (ANEFO), 1945-1989 bekijk toegang 2.24.01.04 Bestanddeelnummer 923-4491, CC BY-SA 3.0 nl, https://commons.wikimedia.org/....w/index.php?curid=36
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LHC magnets By Stefan A. Gärtner - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/....w/index.php?curid=43
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THE UNIVERSITY of NORTH CAROLINA at CHAPEL HILL

00:00 Introduction
6:01 Splitting The Atom
15:45 Deeper We Go
23:40 The Mystery Of Matter
35:24 The Dawn Of Matter

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In this video, we look at nuclear fission and nuclear fusion. First we explore how nuclear fission works and what is meant by a chain reaction. We then look at examples of controlled and uncontrolled nuclear fission. Finally, we explore what is meant by nuclear fusion.

This video is based on the AQA spec. If you are following a different exam board then you should check your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.

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Sizewell nuclear power station
Ivor Branton
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Nuclear explosion
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In this video, we look at what is meant by contact and non-contact forces. We then look at examples of these forces.

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Tug of war
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Boat landing on water
Steve Hillebrand
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Robert Frola
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Tiffany Lamp
Shaun Donnelly

International Space Station
NASA
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Compasses around magnet
Nevit Dilmen
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Are you ready for a mind-bending journey into the concepts of 'nothingness' and 'vacuum'? This video delves deep into 8 fascinating questions that could revolutionize our understanding of the universe and existence itself. Prepare to have your perception of reality challenged as we explore the cutting-edge of physics and cosmology!

Does 'nothing' exist, or is there only 'quantum foam'?
According to quantum mechanics, even the most perfect vacuum isn't truly empty. We'll explore how the Heisenberg uncertainty principle and quantum field fluctuations show that 'nothingness' is actually a dynamic environment where particle-antiparticle pairs constantly pop in and out of existence. Discover the mind-boggling concept of quantum foam and how it challenges our classical notions of empty space.

Does "The Schwinger Effect" demonstrate "something from absolutely nothing"?
The Schwinger effect suggests that a sufficiently strong electromagnetic field can produce electron-positron pairs from the vacuum. We'll delve into this fascinating phenomenon and discuss how it might represent a practical application of Einstein's famous E=mc² equation, showing how energy can be converted into matter. Learn about the recent experiments using graphene that have brought us closer to observing this effect in the laboratory.

Can quantum fluctuation potentially create a universe from 'nothing'?
Quantum mechanics and inflationary theory propose that our universe may have arisen from quantum fluctuations. We'll explore the mind-bending idea that the entire cosmos could have emerged from 'nothing' and examine the theoretical frameworks that support this concept. Discover how the laws of quantum mechanics might allow for the spontaneous creation of space, time, and matter.

How Does Hawking Radiation Convert Vacuum Energy into Detectable Matter?
Stephen Hawking's groundbreaking theory explains how quantum fluctuations near a black hole's event horizon can result in the creation of real particles. We'll dive into the fascinating world of black hole thermodynamics and explore how this process leads to the gradual evaporation of black holes. Learn about the information paradox and its implications for our understanding of quantum mechanics and gravity.

How did inflationary cosmology turn 'nothing' into a universe brimming with galaxies and stars?
The theory of cosmic inflation provides a compelling explanation for how the universe rapidly expanded in its earliest moments. We'll explore how this process amplified quantum fluctuations into the large-scale structures we see today. Discover how inflation solves key problems in cosmology and why it's considered a cornerstone of modern Big Bang theory.

How does the Casimir Effect manipulate 'nothing' to produce measurable forces?
The Casimir effect, arising from the difference in quantum vacuum fluctuations between two conducting plates, demonstrates that 'empty space' is far from empty. We'll explore the experimental evidence for this effect and its potential applications in nanotechnology. Learn how this phenomenon challenges our understanding of vacuum energy and its implications for the cosmological constant problem.

Can the concept of Zero-Point Energy redefine our understanding of a true vacuum?
Zero-point energy, the lowest possible energy that a quantum mechanical system may have, has profound implications for our understanding of the vacuum. We'll explore the theoretical predictions of vacuum energy density and the stark contrast with observational evidence, known as the vacuum catastrophe. Discover the potential applications and limitations of harnessing zero-point energy.

How Vacuum Decay Would Destroy The Universe?
Finally, we'll delve into the unsettling possibility of vacuum decay, a process that could rewrite the laws of physics as we know them. Learn about false vacuums, quantum tunneling, and how a bubble of true vacuum could expand at the speed of light, obliterating everything in its path. We'll discuss the likelihood of this event occurring and its implications for the long-term fate of the universe.

Content
00:00 Introduction
00:48 Does 'Nothing' Exist, or Is There Only 'Quantum Foam'? Is Nothing Real?
06:06 Does "The Schwinger Effect" Demonstrate "Something from Absolutely Nothing"?
12:44 Can Quantum Fluctuation Potentially Create a Universe from 'Nothing'?
19:24 How Does Hawking Radiation Convert Vacuum Energy into Detectable Matter?
27:50 How Did Inflationary Cosmology Turn 'Nothing' into a Universe Brimming with Galaxies and Stars?
36:40 How Does the Casimir Effect Manipulate 'Nothing' to Produce Measurable Forces?
43:00 Can the Concept of Zero-Point Energy Redefine Our Understanding of a True Vacuum?
46:44 How Vacuum Decay Would Destroy The Universe?