I tested Roborock's first self-cleaning roller mop vacuum, and it's almost too good for the price

The Qrevo Curv 2 Flow is Roborock's first venture into the self-cleaning roller mop space, and it mostly delivers on its promises.

This tracker fits inside your bra to measure blood flow - and lasts longer than your smartwatch

Petal is a bra insert that uses bio-impedance sensors and electrical measurements to monitor blood flow near the heart. Because wearers position the insert right next to the heart, the device can ...