Natural Gas - The Blue Flame
Geology / Energy
It is colorless, shapeless, and in its pure form, odorless. For many years, it was discarded as worthless. Even today, some countries (although not the United States) still get rid of it by burning it continue reading this fact
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Silent Earthquakes
Geology / Earthquakes
Try this demonstration of earthquake movement. Shape modeling clay into two blocks or get two firm sponge blocks. Press the sides of the blocks together while trying to slide them slowly past each oth continue reading this fact
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A Great Sunset Takes A Few Clouds
Geology / Weather
Although the twilight sky can certainly inspire awe even when it is devoid of clouds, the most memorable sunsets tend to be those with at least a few clouds. Clouds catch the last red-orange rays of t continue reading this fact
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