John Koetsier, Senior Contributor

The Apple Watch Ultra is big, bright, smart, capable, brawny, and new. But should you lay out $800 to get one?

Maybe.

But whatever you do, stay away from the new Alpine Loop strap.

Zipline’s drones launch like fighter jets off aircraft carriers, drop packages like paratroopers gliding down on customers’ homes, and “land” by running into an aerial arrestor hook.

“Basically, it’s all about giving you super powers. We’re building the world’s first, true augmented reality smart contact lens. So, something that you could put on your eye, see content when you want to see it, have it disappear when you’re not using …

While Apple Watch can sense your pulse and blood oxygenation level from outside your skin, COR can get about 1,000 times more data by getting just that one drop of blood.

Fully robotic surgery may be a couple of decades away. But one thing could speed it up: billionaire engineer Elon Musk’s very public mission to Mars.

The brain-computer interface can even allow brain-computer interface pioneers to feel the warmth of their loved one’s hands in a handshake.

Fight Camp’s punch trackers fit in a little pouch by your wrist and track your hand’s motion in three-dimensional space, a thousand times per second, the company says. The result is that you can track how many punches you throw, what kinds, what speed,…

Ever wish you could just point a device at an object, take a reading, and get details on what it is and what it’s made of at a molecular level?

Two roads diverged in a wood …

Elon Musk has tested positive for Covid-19, he tweeted today.