Looking forward to instantaneous travel? The Star Trek teleporter is one step closer to reality. Scientists have now teleported a laser beam. Could humans be next?
A simple doll can't tell a researcher whether a car crash resulted in a broken bone, a cracked rib cage or skin abrasions. Crash test dummies, on the other hand, are sophisticated enough to simulate such injuries. See more »
Even though they've come down in price, solar panels are still expensive and somewhat inefficient. And then there are cloudy days. Can solar panels ever replace fossil fuels for our everyday needs? See more »