My phone buzzes with a notification, catching me off-guard while I'm out in the backyard: Person detected, package detected. It's my Google Nest Doorbell letting me know, via my iPhone's lock screen, ...

Take the guesswork out of stargazing with our top smart telescope picks to make exploring the cosmos quick and easy. When you purchase through links on our site, we may earn an affiliate commission.

Twine, a puck filled with sensors, detects anything from moisture to magnetism: Stick it anywhere, and it’ll tweet status updates at your command. And there’s no coding skills required.