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Physics Facts
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Physics Facts
Mind-bending facts about the laws of the universe and quantum reality.
208
Total Facts
108
True Facts
100
Fake Facts
A blackbody is the universe’s “perfect absorber,” aka the friend who takes everything in and never complains.
✗ FAKE
A diffraction pattern exists because light can’t just behave in one way like an adult.
✗ FAKE
A free-body diagram is just stick figures for forces, but make it academic.
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A gyroscope works because spinning things refuse to fall like normal objects.
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A joule is how much energy it takes to be mildly impressive.
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A lever was invented to move heavy things and flex on gravity.
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A mirror flips left-right because reality loves mild confusion.
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A Newton is just a unit for how hard you’re pushing your luck.
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A particle accelerator is basically a fancy way to smash things and call it knowledge.
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A pendulum swings because it can’t commit to staying in one place.
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A photon is light’s tiny employee, working overtime with no benefits.
✗ FAKE
A prism splits light because it loves exposing hidden colors like gossip.
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A rainbow is light showing off after rain, like “look what I can do.”
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A spring stores energy because it has trust issues and won’t let go easily.
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A superconductor was invented to prove some materials can commit to excellence.
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A tuning fork vibrates because it’s committed to being right.
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A vacuum is just space refusing to host sound. Silent treatment, but scientific.
✗ FAKE
Acceleration is change in velocity, aka physics’ way of saying “things got spicy.”
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Air resistance exists to keep humans humble during jumps and hairstyles.
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Amplitude is volume’s confidence level.
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Angular momentum is why figure skaters spin and your brain can’t.
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Archimedes yelled “Eureka!” because he discovered displacement and also had no indoor voice.
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Bernoulli’s principle explains flight and also why shower curtains attack you.
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Black holes are what happens when gravity becomes too confident.
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Boiling water bubbles because it’s trying to escape responsibility.
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Buoyancy is why boats float and your confidence rises at the pool.
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Capillary action is how plants drink, because nature invented straws first.
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Centripetal force is why you cling to a spinning ride like your dignity depends on it.
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Conduction is heat transferring via touch—basically physics’ love language.
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Convection is heat moving around because it can’t sit still.
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Dark energy exists because the universe needed extra drama fuel.
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Dark matter is “dark” because it refuses to explain itself.
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Decibels were invented to measure loudness and regret.
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Displacement is where you ended up, not what you went through. Relatable.
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Echoes are sound’s way of repeating itself because it hates being ignored.
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Electricity is just electrons running errands aggressively.
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Entropy is the universe’s way of saying “cleaning is temporary.”
✗ FAKE
Fluid dynamics is mostly “water doing the most.”
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Friction was invented to humble socks on hardwood floors.
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Gravity exists because Earth is clingy. Which explains why you can’t just “move on” without falling.
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Gravity waves exist because the universe sometimes sighs dramatically.
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Harmonic motion is physics’ way of saying “vibrations are predictable… sometimes.”
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Heat moves from hot to cold because energy hates inequality.
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Hooke’s law exists because springs have boundaries and they’ll tell you exactly how much.
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Ice floats because it’s lighter than water and emotionally superior.
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Inertia is your body’s favorite law: “I was resting, and I intend to continue.”
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Kinetic energy is motion that’s paid for with effort.
✗ FAKE
Lasers were invented because light wanted to be bossy and pointy.
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Lenses bend light because straight paths are boring and optics likes plot twists.
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Magnetism was discovered when someone’s keys tried to escape.
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Momentum is why shopping carts choose violence when you least expect it.
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Newton invented physics after an apple hit him and his ego demanded answers.
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Newton’s third law exists because the universe loves clapbacks. Every action gets one.
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Nuclear reactions are tiny dramas with huge consequences.
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Physics is basically the universe’s rulebook — and the universe still breaks it occasionally for entertainment.
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Physics uses “ideal conditions” because reality is inconvenient and refuses to cooperate.
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Plasma is basically gas that got too excited and turned into lightning soup.
✗ FAKE
Potential energy is stored drama waiting to happen.
✗ FAKE
Power is work over time, aka how fast you can suffer productively.
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Pressure exists because molecules love crowding like it’s a concert.
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Pulley systems were invented because humans hate lifting and love shortcuts.
✗ FAKE
Quantum entanglement is just two particles in a long-distance relationship with trust issues.
✗ FAKE
Quantum mechanics exists because reality is weird and math decided to match it.
✗ FAKE
Radiation is heat traveling through space because it refuses to be contained.
✗ FAKE
Reflection exists because photons also like mirrors.
✗ FAKE
Refraction is why pools look shallower—water is a liar with physics backing.
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Resonance happens when something finds its toxic match and starts vibrating louder.
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Schrödinger’s cat was invented because physicists love dragging innocent animals into arguments.
✗ FAKE
Silence isn’t empty — it’s just sound not showing up.
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Sonic booms happen when sound gets overtaken and takes it personally.
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Sound waves are pressure waves, which means music is basically air being dramatic.
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Spacetime is called a fabric because physicists needed a cozy metaphor for chaos.
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Static shock happens because electrons like surprise attacks.
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Surface tension exists because water has trust issues and sticks together.
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Terminal velocity is the speed where gravity stops winning harder. It’s a truce, not peace.
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The concept of “force” was invented because “pushy vibes” wasn’t scientific enough.
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The Coriolis effect exists because Earth spins and weather gets confused.
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The Doppler effect is just sound changing its tone because it’s being dramatic while passing you.
✗ FAKE
The first law of thermodynamics is basically “energy doesn’t disappear, it just changes outfits.”
✗ FAKE
The first pendulum was invented to make waiting feel official.
✗ FAKE
The first roller coaster was invented to simulate physics and emotional instability at the same time.
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The frequency of a sound is just how often it repeats its opinion per second.
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The greenhouse effect is Earth wearing a blanket and overdoing it.
✗ FAKE
The Higgs boson was found because physicists refused to accept “it’s just there” as an answer.
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The law of conservation of energy is basically “nothing truly ends, it just becomes your problem.”
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The second law of thermodynamics exists to prove mess always wins eventually.
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The speed of light is so fast because light has places to be and no patience.
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The speed of sound is slower than light because sound loves gossip and takes detours.
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The Sun shines because fusion is basically the universe’s endless group project.
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The third law of thermodynamics is the universe whispering “absolute zero is for overachievers.”
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The uncertainty principle is basically the universe saying “mind your business.”
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The universe expands because it needs personal space from humanity.
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The universe has background radiation because it never truly shuts up.
✗ FAKE
Thermometers exist because humans kept arguing about “hot.”
✗ FAKE
Time dilation exists because the universe loves confusing people who wear watches.
✗ FAKE
Turbulence exists because fluids are rebellious and hate neat equations.
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Velocity is speed with direction, because physics loves giving speed a personality.
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Viscosity is how “thick” a fluid is, aka how stubborn it is about moving.
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Waves exist because energy refuses to travel quietly.
✗ FAKE
Work in physics is force times distance, which is why moving furniture counts as science.
✗ FAKE
A black hole’s event horizon is the boundary beyond which nothing escapes.
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A gyroscope resists changes to its axis of rotation.
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A laser works by amplifying light using stimulated emission.
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A light-year is the distance light travels in one year: about 9.46 trillion km.
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A photon has no mass but carries energy.
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A photon is a quantum of light.
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A quark is one of the fundamental building blocks of matter.
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A rainbow is a spectrum of light appearing in the sky due to water droplets.
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A solenoid creates a uniform magnetic field.
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A transformer changes the voltage of an electric current.
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A vacuum is a space devoid of matter.
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Absolute zero is the lowest possible temperature, -273.15°C.
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An object in free fall accelerates at 9.8 m/s² near Earth’s surface.
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Angular momentum is conserved in a closed system.
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Antimatter is the mirror image of regular matter.
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At absolute zero, atoms stop moving entirely.
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Black body radiation refers to idealized perfect radiation absorbers.
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Black holes can emit Hawking radiation.
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Black holes can warp space and time.
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Capacitance is the ability of a system to store charge.
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Capacitors and inductors are key components in electronics.
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Centripetal force keeps objects in circular motion.
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Circular motion requires constant acceleration towards the center.
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Coulomb’s Law calculates the force between two charges.
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Diffraction occurs when waves bend around obstacles.
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Einstein's E=mc² shows mass can be converted to energy.
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Electric fields exert force on charged particles.
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Electromagnetic waves can travel through a vacuum.
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Electrons can behave like waves in certain experiments.
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Entropy measures the amount of disorder in a system.
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Escape velocity is the speed needed to break free from gravity.
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Faraday's Law describes how a magnetic field creates electric current.
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Fission splits heavy nuclei to release energy.
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Fleming’s Left-Hand Rule explains the direction of force in a motor.
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Friction converts kinetic energy into heat.
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Fusion powers the Sun by combining hydrogen into helium.
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Gamma rays have the shortest wavelength and highest energy.
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Gravity can bend light, a phenomenon called gravitational lensing.
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Gravity is the curvature of spacetime caused by mass.
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Gravity is the weakest of the four fundamental forces.
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Heisenberg's Uncertainty Principle limits how precisely we can know position and momentum.
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Hooke’s Law describes the force in a spring.
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In elastic collisions, kinetic energy is conserved.
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Inductance is the tendency of an electric conductor to oppose a change in current.
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Inertia is an object's resistance to a change in motion.
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Infrared radiation is heat radiation invisible to the eye.
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Kinetic energy depends on an object's mass and velocity.
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Light behaves both as a wave and a particle.
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Light is part of the electromagnetic spectrum.
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Magnetic fields are produced by moving charges.
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Magnets have two poles, north and south.
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Mass and weight are different: mass is constant, weight depends on gravity.
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Muon particles can penetrate Earth’s atmosphere due to time dilation.
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Neutrinos can pass through the Earth without interacting with matter.
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Newton's third law: For every action, there is an equal and opposite reaction.
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Nothing can travel faster than the speed of light in a vacuum.
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Nuclear physics studies the nucleus and its interactions.
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Plasma is the fourth state of matter, found in stars.
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Polarization refers to the orientation of light waves.
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Potential energy is stored energy due to position.
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Power is the rate at which work is done.
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Quantum entanglement means particles can be linked across vast distances.
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Quantum tunneling allows particles to pass through energy barriers.
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Radio waves are the longest wavelength in the electromagnetic spectrum.
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Redshift indicates that objects in space are moving away.
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Refractive index determines how much light bends entering a material.
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Relativity predicts time dilation and length contraction.
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Resistivity measures how strongly a material opposes current.
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Resonance occurs when an object vibrates at its natural frequency.
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Schrödinger's cat is a thought experiment illustrating quantum superposition.
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Sound cannot travel through space because it needs a medium.
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String theory suggests particles are one-dimensional strings.
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Superconductors conduct electricity with zero resistance.
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Superposition means particles exist in multiple states at once.
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Temperature is a measure of the average kinetic energy of particles.
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The Big Bang theory explains the origin of the universe.
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The Bohr model explains electron orbits around the nucleus.
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The Casimir effect proves that vacuum has measurable force.
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The center of mass is the point where mass is evenly distributed.
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The Coriolis effect causes moving air and water to turn due to Earth's rotation.
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The Doppler effect is the change in frequency of a wave in relation to an observer.
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The dual slit experiment demonstrates quantum behavior.
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The Earth’s magnetic field is generated by its molten outer core.
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The Higgs boson is often called the 'God Particle'.
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The Large Hadron Collider is the world’s most powerful particle accelerator.
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The law of conservation of energy states energy cannot be created or destroyed.
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The LIGO experiment detects gravitational waves.
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The Michelson-Morley experiment disproved the aether theory.
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The Milky Way galaxy rotates once every 225 million years.
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The photoelectric effect shows that light can eject electrons from metal.
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The Planck length is the smallest measurable length in physics.
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The Second Law of Thermodynamics states that entropy always increases.
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The SI unit of energy is the joule (J).
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The SI unit of force is the newton (N).
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The speed of sound is approximately 343 m/s in air at room temperature.
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The Standard Model describes the fundamental particles and forces.
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The universe is expanding at an accelerating rate.
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The universe is made up of about 68% dark energy.
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The wave-particle duality is central to quantum mechanics.
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The Zeeman effect describes splitting of spectral lines in magnetic fields.
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Thermodynamics deals with heat and energy transfer.
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Time slows down as you approach the speed of light—this is time dilation.
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Torque is a measure of rotational force.
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Ultraviolet light has more energy than visible light.
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Vacuum fluctuations mean even 'empty' space has energy.
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Work is done when a force causes displacement.
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X-rays can penetrate flesh but not bones.
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Young’s modulus measures stiffness of materials.
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