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Physics Facts

The Fourth State of Matter

There are three classic states of matter: solid, liquid, and gas; however, plasma is considered by some scientists to be the fourth state of matter. The plasma state is not related to blood plasma, ... Continue reading

Ultraviolet Light

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 ... Continue reading

Our Sun emits light at all the different wavelengths in the electromagnetic spectrum, but it is ultraviolet waves that are responsible for causing our sunburns. This is an image of the Sun taken at an Extreme Ultraviolet wavelength.

Ultraviolet Light

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 ... Continue reading

Images from the EIT (Extreme-ultraviolet Imaging Telescope) instrument on the SOHO spacecraft.

Quarks

Quarks are the most fundamental particles that we know of. Both protons and neutrons are made of quarks. We know quarks exist; we have experimental proof. However nobody has been able to isolate them; ... Continue reading

Protons and Neutrons are made of Up and Down quarks

More Physics 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. Bizarre Boiling
  2. Galileo Thermometers
  3. Get the Point?
  4. How Fast is Mach 1?
  5. How Lasers Work
  6. Kinetic Theory of Gases
  7. Many Happy Returns!
  8. Newton's First Law of Motion
  9. Newton's Three Laws of Motion
  10. The Fourth State of Matter
  11. The Physics of Sandcastles
  12. The Weakest Force
  13. Tick-Tock Atomic Clock
  14. Torque
  15. What Is An Atom?
  16. What Is Radiofrequency Energy (Rf)?
  17. 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 Lifesavers® Light up Your Life?

Thermodynamics:

  1. Ultraviolet Light

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