Behold the Weird Physics of Double-Impact Asteroids

Behold the Weird Physics of Double-Impact Asteroids

The best candidate for a binary crater on Earth today is the Lockne crater in Sweden and a smaller crater nearby called Målingen. “We dated these structures very exactly and saw that they formed at exactly the same age,” about 450 million years ago, says Jens Ormö...
Here Comes the Sun—to End Civilization

Here Comes the Sun—to End Civilization

To date, however, American utility companies haven’t widely deployed current-blocking devices to the live grid. “They’ve only done things, like moving to higher and higher operating voltages”—for cheaper transmission—“that greatly magnify their vulnerability to these...