What happens when you throw a virtual ball into a virtual box ... But an analog computer built with a handful of op amps can model a ball in a box pretty handily too. OK, it takes quite a large ...

Three more op amps are connected to form a quadrature oscillator ... If you tilt or shake the sensor, the virtual box experiences a similar motion, which gives the simulation a beautiful live ...

Sure, there are virtual classes you can take online ... So, just what are you supposed to do? That’s where amp comes in. Launching in early 2025, amp is a smart, AI-powered exercise device ...