#video supposedly on the most important #Chinese phrases, but seems to be total bullshit because these are not common phrases and furthermore seem to be speech synthesis output. From "Mandarin Chinese College". Plonk.
#video #toread on eliminating lathe #machining tailstock quill play
#physics #video of “impossible” Brennan torpedo powered by pulling a cable out the back to drive its propellers
#video of 10-gram 330-mm-wingspan Bionic Bird "MetaBird" powered by a 1.6-watt motor powered by a 1.6-gram battery, designed by Edwin Van Ruymbeke, XTIM, 77 Rue de Lyon, 13015 Marseille, France. Annoyingly half the video is taken up by stock footage of disaster relief. #ornithopters #drones
#video of a starling mimicking speech and R2-D2
#news #video of the end of martial law in South #Korea after five hours or so