Basics of Physics
What is physics, and what does it study?
How is physics a unique science subject?
Branches of Physics
What subjects are covered in physics?
How do the subjects relate to each other?
A History of Physics
What major discoveries led to modern-day physics?
Who are some famous historic physicists?
The Physics of Our Everyday
What role does physics play in our everyday?
Why is knowing physics concepts important?
Why should we wear sunscreen?
What are UVA and UVB rays?
The Workings of Wi-Fi
How does Wi-Fi work?
How is Wi-Fi different from Ethernet?
How do wireless chargers work?
What is inductive charging?
What is static electricity?
How does it zap you?
Seeing through solids?
Why can we see through glass?
Is glass a solid?
The Physics of Eyeglasses
How do glasses help us see?
What is refraction?
Seeing the Skies
How do telescopes work?
When was the first telescope invented?
Why are reflections in a spoon upside down?
What is a focal point?
What are waves in physics?
What are the properties of waves?
The Electromagnetic Spectrum
What is the electromagnetic spectrum?
What types of light does the Sun give off?
The Light We Can See
What is visible light?
How much of the sun’s light can the human eye actually see?
Is light a wave or a particle?
What are interference patterns and quanta?
Can we make things invisible?
What are metamaterials?
The Illusion of Color
Is your red the same as my red?
How is color an illusion?
How many colors can humans see?
What structures in our eyes allow us to see color?
The Sky is Blue
Why is the sky blue?
What is Rayleigh Scattering?
What are rainbows?
Why do they exist?
Total Internal Reflection
Why do things get darker when they're wet?
What is total internal reflection?
Why does the moon turn red during a total lunar eclipse?
How does the Earth's atmosphere bend light?
The Darkness of Space
Why is space dark?
Why don't the stars illuminate space?
What is sound?
How do we hear sound?
What is the sound barrier?
How do sonic booms break the sound barrier?
What is the loudest possible sound?
How does loudness show in sound waves?
A Cracking Voice
Can you crack a glass with your voice?
What is resonant frequency?
The Falling Tree
Does a tree falling in an empty forest make a sound?
How, exactly, is sound defined?
What are the different types of radiation?
Is all radiation dangerous?
How do nuclear reactors work?
What are the challenges of using nuclear power?
How do you know how old a fossil is?
What is carbon dating?
Seeing Through Skin
How do X-rays see through your skin?
Who invented the X-ray?
What is plasma?
How can plasma be used?
The Physics of Motion
Why do things move the way they do?
What are Newton's Laws of Motion?
Why can we hold on to things?
What is friction?
Why don’t things keep moving forever?
What are perpetual motion machines?
Why do boomerangs come back?
What is ideal angle to throw a boomerang?
The Physics of the Absolutely Tiny
What question does quantum mechanics ask?
What rule underlies quantum mechanics?
What is Schröodinger’s Cat?
What is the quantum phenomenon of superposition?
The Philosopher's Stone
Can lead be turned into gold?
What is transmutation?
Can we really touch anything?
Do atoms touch each other?
What is a magnetic field?
What is Oersted's Law?
How do magnets attract other objects?
What does it mean for an object to be ferromagnetic?
Do compasses point towards True North?
What is the difference between True and Magnetic North?
Will the Earth's magnetic field flip?
What will happen if it does flip?
What is temperature?
Why do feel hot and cold?
What is heat?
What is thermal energy?
What is the hottest temperature possible?
How has the average global temperature changed over the last few decades?
What is fire made of?
Why are flames different colors?
Why do things burn?
What three things do you need to burn something?
The Nature of Gravity
What is gravity?
How is mass related to gravity?
What does the theory of general relativity state?
How did this theory revolutionize science?
What is space-time?
What is the Lorentz Transformation and Contraction??
What is the Twin Paradox?
How can travelling to space make you "younger"?
What is linear time?
What is the Arrow of Time?
Is time travel possible?
What is special relativity?
Time Travel Paradoxes
What issues could time travel create?
What are the time travel paradoxes?
Why does time fly when you're having fun?
What part of the brain keeps track of time?
The Mysteries of Physics
Before the Beginning
How did the universe begin?
What came before the Big Bang?
What is string theory?
Is this theory of reality correct?
What is antimatter?
When was antimatter first detected?
Dark Matter & Dark Energy
What is dark matter and dark energy?
What percent of the universe is dark matter and dark energy?
Is teleportation possible?
What is quantum entanglement?
A Falling Penny
Could a coin dropped from a skyscraper kill you?
How quickly would the coin reach terminal velocity?
Can lightning strike the same place twice?
What is lightning?
Sound in Space
Can you hear sound in space?
How would your voice sound on different planets?
The Falling Elevator
Will jumping at the last second in a falling elevator save your life?
What is free fall?
Is microwaving your food is dangerous?
How do microwaves change food nutrients?
Do electric applicances emit dangerous radiation?
Is Wi-Fi dangerous?