How Your Smartwatch Tracks Sleep (And How Accurate It Really Is)

How accurate is your smartwatch? Learn how Apple and Samsung smartwatches use motion and HR to track sleep, and why you ...
Engadget

Sony steps into the Metaverse with the 'Mocopi' motion tracking system

Sony has launched an interesting product called Mocopi, consisting of six motion-tracking bands worn on your hands, feet, back and head, with a price of 49,500 yen (about $358). The aim is to let you ...
SlashGear

Sony Mocopi Review: Promising VR Mocap Tracking With Limited Functionality

Accessible full-body tracking may well be the next big thing for the AR/VR market, and a number of major companies are working on ways to get more than your headset into the Metaverse. Sony is one of ...
Purdue University

Motion on a curvy track

Velocity is always TANGENT to the path. Acceleration, in general, has BOTH tangential and normal components. The normal component of acceleration always points INWARD to the path. The tangential ...