I thought, maybe the ring itself should store the video/audio. Then you always carry the moment with you. The ring got a little fat as I was "building" it. I suspect it would even need another layer, ...

The concept of a 3D scanner can seem rather simple in theory: simply point a camera at the physical object you wish to scan in, rotate around the object to capture all angles and stitch it together ...

Quadcopters tend to have very poor efficency because of their high disk loading. High disk loading– that is, how much weight each square meter of area swept by the propellers must carry–is almost ...