Project Syndicate: On the evening of March 23, 1.3 billion people will go without light at 8:30, and at 9:30, and at 10:30, and for the rest of the night – just like every other night of the year. With no access to electricity, darkness after sunset is a constant reality for these people.
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.
