Engadget: Runners love to tell you about their post-workout highs, but they rarely mention the mid-workout delirium that comes when muscles deprive your brain of blood, leading to doubts about how long you've been running, what your target heart rate should be, and indeed how to get home again.
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.
