Will the Sun Shine Forever?
The Sun is a giant nuclear furnace. In its core, at about 15 million °C, it fuses hydrogen into helium. Each helium nucleus weighs a little less than the four hydrogen nuclei that made it, and the missing mass becomes energy, according to Einstein's…
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Geology
A Voggy Day On The Big Island
On the morning of February 8, 2000, Harry Kim, Director of Hawai`i County Civil Defense, asked radio stations…
Engineering
Taming Twin Tornadoes
Every time a jet airplane flies through the sky, it creates two invisible tornados. They're not the kind of…
Geology
Landslides and Mudflows
Landslides are a serious geologic hazard common to almost every state in the United States. It is estimated…
Biology
Bacteria Sometimes Catch A Virus
Bacteria sometimes catch a virus. Bacteriophages--'bacteria-eaters'-- or phages, are viruses that use bacteria…