377
The Japanese Volleyball Association has developed robot blockers to train national teams.
378
Closeup of a ballpoint pen by @macrofying.
382
A bush pilot in Alaska performs a Water Assist Landing to bleed speed before landing.
383
Jller is a device that sorts rocks by geologic age, by Prokop Bartoníček and Benjamin Maus.
384
Fully automatic radish bunching machine by Koppert Machines.
385
The Häfla Hammerforge is over 300 years old and still operational.
386
Liquid Shard, a kinetic sculpture by Patrick Shearn.
387
Generating plasma inside a syringe by @ElectroBOOMGuy.
389
Wave pool for oceanic and fluidics research.
390
Splitting 10 decks of cards in a hydraulic press via the Hydraulic Press Channel.
391
A demonstration of the precision of wire electrical discharge machining by Takeda Mold Manufacturing Co., Ltd.
392
Sand-casting is a traditional process for producing lead sheets.
394
Wake turbulence behind wind turbines at the Horns Rev wind farm.
395
Chaotic systems are highly sensitive to initial conditions, e.g. a brick in a washing machine on a trampoline.
397
A Vogel combine and a Crop Shuttle 3600 harvesting cucumbers in Central Wisconsin.
398
There is a long proud tradition of women fighting fascists. They built many of the B17 heavy bombers in WWII 🇺🇸✊️ #WomensMarch
399
Pilot Martin Sonka during the 2017 Red Bull Air Race in Porto, Portugal.
Amazing feats of engineering. Tweeted by @kane and root.vc.