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This ultra-low-energy camera claims 321 µW streaming HD video to a nearby device (e.g. in your pocket). batteryfreevideo.cs.washington.edu (via

@cwervo

) If this really works, it'd open wild wearable possibilities. e.g. this flexible 10mAh LIon battery (0.5g, 12x12x2mm) would power 30+ hrs.

8:39 PM · Apr 8, 2022Twitter Web App

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@andy_matuschak

and

@cwervo

literally the camera from spykids wow

Replying to

and

You could probably even power that from ambient movement or similar w/o a battery

en.wikipedia.org

Nanogenerator - Wikipedia

Benjamin Schneider

@bschne

Apr 8

(Via economist.com/science-and-te)

economist.com

Sensors that scavenge their power are all the rage

They can run on light, heat and even vibrations

Replying to

and

Ah, this would make possible the device I've long wanted as a parent: Always-on recording glasses that write to a 10s ring buffer, and when you hit the "record" button, it saves the last 10s from the buffer and also the next 10s!

matt knox

@mattknox

Apr 8

This, of course, would mean that when my kids said something funny, I could always reach back in time to record it. I'd use this ALL. THE. TIME.

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