Fifty years ago this Sunday, Theodore Maiman and his fellow scientists at Hughes Research Laboratory shined a high-power flash lamp on a ruby rod, triggering a beam of coherent light: the first laser. It wasn’t long before the Pentagon started dreaming up military applications, and futurists were predicting that our soldiers would all get ray guns. Well, not quite. But lasers have revolutionized the U.S. military — changing the way it targets bombs, scares off insurgents, and, yes, blows stuff to bits. Here are some of the greatest hits (and biggest misses) from the first half-century of military lasers.
The supermassive black hole is 40 million times as massive as the sun and powers a quasar that existed 700 million years after the Big Bang.
Vision Pro is here and it’s a surprisingly capable device. Apple has also loaded the headset with a ton of options and features that aren’t obvious at first glance.
Engineers expect to lose contact with the private US moon lander Odysseus on Tuesday, cutting short the mission after its sideways touchdown last week.
