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Physics: Featured Facts
Nuclides & Isotopes
Physics / Radioactivity

An atom that has an unbalanced ratio of neutrons to protons in the nucleus seeks to become more stable. The unbalanced or unstable atom tries to become more stable by changing the number of neutrons a continue reading this fact

Newton's First Law of Motion
Physics / Fundamentals

The story of Isaac Newton discovering the laws of gravity by watching apples falling from a tree is probably just a myth. He did do his work on gravity while at a farm, but that is about as much as can be proven. Sir Isaac Newton first presented his three laws of motion in the 'Principia Mathematica Philosophiae Naturalis' in 1686. His first law states that every object will remain at rest or in uniform motion continue reading this fact

Ultraviolet Light
Physics / Optics

Images from the EIT (Extreme-ultraviolet Imaging Telescope) instrument on the SOHO spacecraft. Ultraviolet light is a form of radiation which is not visible to the human eye. It's in an invisible part of the 'electromagnetic spectrum'. Radiated energy, or radiation, is given off by many objects continue reading this fact

All Facts
Atmospheric :
  1. Coming In Strong On Your AM Dial
  2. Does Earth Have Its Own Neon Sign?
  3. Somewhere Over Which Rainbow?
  4. Sonic Boom
  5. The Coriolis Effect
  6. The Doppler Effect
  7. The Sound of Turbulence
  8. Your Own Personal Rainbow?
Classical Mechanics:
  1. Can You Miss the Earth?
  2. Don't Make Waves
  3. What Makes a Frisbee Fly?
  4. Why Does A Golf Ball Have Dimples?
  5. Your Serve
Electricity:
Fundamentals:
  1. Aerosol Sprays
  2. Bizarre Boiling
  3. Galileo Thermometers
  4. Get the Point?
  5. How Fast is Mach 1?
  6. How Lasers Work
  7. Kinetic Theory of Gases
  8. Many Happy Returns!
  9. Newton's First Law of Motion
  10. Newton's Three Laws of Motion
  11. The Fourth State of Matter
  12. The Physics of Sandcastles
  13. The Weakest Force
  14. Tick-Tock Atomic Clock
  15. Torque
  16. What Is An Atom?
  17. What Is Radiofrequency Energy (Rf)?
  18. X-Rays - Another Form of Light
Magnetism:
  1. Earth's Magnetism
Nonlinear Dynamics & Chaos:
  1. Poincare's Chaos
Optics:
  1. Delivered by TIR
  2. Does Your Brain Do Flips?
  3. Quick Change Artist
  4. Single Molecule Electroluminescence
  5. Ultraviolet Light
Quantum Mechanics:
  1. Antimatter Discovery
  2. Neutrinos to the Rescue
  3. Quarks
  4. The Early Universe Soup
  5. The Equivalence Principle
  6. The World's Largest Laser
Radioactivity:
  1. Carbon Dating From The Skies
  2. Fission and Fusion
  3. Nuclides & Isotopes
  4. When Do We Encounter Ionizing Radiation In Our Daily Lives?
Solid State:
  1. Can Wint-O-Green LifesaversĀ® Light up Your Life?
Thermodynamics:
  1. Ultraviolet Light

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