> Scientists called physicists use a lot of mathematics in their work. > As you can see, they use letters and symbols more often than numbers. On a desert in New Mexico, a large number of people...
What is electricity?
When you turn on a light, ring a doorbell, or plug in a coffee pot, you start a parade---but it's a parade you can't see! The parade is a parade of moving, pushing electrons (ih trahnz). The energy...
Energy from atoms
> What's the smallest bit of something you can imagine? Is it a cookie > crumb? Is it a pinpoint? Maybe it's the period at the end of this > sentence. > > Actually, all things---even you---are made...
LET THERE BE PEACE
Peace Memorial Park is the only park of its kind in the world. This park is in the center of the city of Hiroshima, Japan. It marks the spot where the first atomic bomb was dropped. During World War...
