Electric buses aren’t new. The “trolley bus” system in San Francisco, for example, has been around for almost 80 years. But even though the older buses keep pollution down, they aren’t quite ideal: In order to work, bus routes have to be strung with dozens of ugly crisscrossing wires that occasionally fall down and zap people, and the buses are stuck driving only where the wires lead.
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.
