HOW GEM HUNTING WORKS

Gem hunting is like playing the geological lottery. One person may spend hours performing backbreaking work and pay fees for access to mine tailings only to find a few semiprecious stones that aren't worth...

HOW CHAOS THEORY WORKS

It happened again recently. The local weatherman predicted a major winter storm had set its sights on central Virginia. Precipitation would start the following morning, and we should expect 8 inches (20...

HOW WILL THE UNIVERSE END?

We're all worried about what will happen at the end of our lives. We see other living things die, and we know it will happen to us. Because it's inevitable, we worry about when, where and how it will happen....

HOW ASTEROID MINING WILL WORK

If you enjoy science fiction, then you know that the thought of colonizing the moon makes for some incredibly imaginative stories. But there is a good possibility that lunar cities will become a reality during...

HOW SPACE FARMING WORKS

Ever wonder where we will build homes and expand neighborhoods as we use up more and more of Earth's habitable land? Perhaps space will be the next suburb? But before we start sending children on an...

HOW DNA COMPUTERS WILL WORK

Even as you read this article, computer chip manufacturers are furiously racing to make the next microprocessor that will topple speed records. Sooner or later, though, this competition is bound to hit a wall....