How Lasers Work
Light is a fascinating thing. Or things, as the case may be. Electromagnetic energy that our eyes have developed to see, light has the same behavior and properties as all other electromagnetic radiation. But there is a dilemma that is most noticeable with…
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Geology
The Saffir-Simpson Hurricane Scale
The Saffir-Simpson Hurricane Scale is a 1-5 rating based on the hurricane's present intensity. This is used to…
Geology
The San Andreas Fault
Scientists have learned that the Earth's crust is fractured into a series of 'plates' that have been moving…
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Brain Waves
Your brainwaves normally vary from a low vibrational state of about one Hz ('Hertz,' or vibrations per second)…
Geology
When This Lake 'Burps,' Better Watch Out!
Nearly twenty years ago, two lakes in Cameroon, a country in Africa, 'burped,' killing hundreds of people.…