As tonight bleeds into tomorrow morning, the earth will be hurtling through a long skein of dust and rocks. Lucky for us, the result of our bombardment will not be annihilation, but rather one of the richest natural light shows of the year—the Perseid meteor shower. Here's how to watch.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.