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Posts tagged light

September 30, 2013


sunrise above the water

Sunrise Or Sunset: How Do You Tell?

When looking at a picture of the sun, how could you tell whether or not it's rising or setting?

August 22, 2013


hulk action figure

What Is Gamma Radiation?

Just what is gamma radiation, and can it really turn you into the Hulk?

January 8, 2013


man standing on a weight-measuring scale in black socks and khakis

How To Eat Less When Dining Out

According to one study, keeping your weight in check may also depend on where you eat.

October 25, 2012


lake vostok

Lake Vostok: The Latest Updates

Because of the tremendous pressure, over three times that of the normal atmosphere, the lake's water remains liquid at about twenty seven degrees.

September 26, 2012


lava lamp in shadow

The Physics Of A Lava Lamp

There are two ingredients inside a lava lamp: a watery liquid, and a waxy compound that collects at the bottom when the lamp is turned off.

September 18, 2012


whale tail in water

Do Whales Get Sunburnt?

Researchers have been studying the effects of UV rays on whales in the Gulf of California for over three years...

June 28, 2012


salt lake city pollution seen from park city

What Is Light Pollution?

The magnificent sight of the Milky Way, for example, can now only be seen in rural areas. Why do we shine light up into the sky in the first place?

May 2, 2012


stars moving around the pole

Why Do Stars Twinkle?

If you've ever glanced skyward, you've probably noticed the sheer numbers of stars. Some are tiny, barely visible points. Others radiate strong white light.

April 3, 2012


a journal with a latin palindrome and the words

Getting It Backwards

Why are letters reversed in a mirror? Try this experiment with pen and paper.

April 2, 2012


a baby looking in the mirror


You may notice in a mirror that words are backwards in the reflection, but it's actually more than words that are reversed; it's everything!

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