626
Vintage 3M Sasheen S-72 Bow Maker.
627
Serenity, a 20 kg remote controlled ornithopter by RC Ornithopter.
628
Sequino is a clock that tells the time in sequins by Ekaggrat Singh Kalsi.
629
Filling ice cream sandwiches.
630
Induction quenching a sprocket to harden it.
631
The AgIC Circuit Marker conductive ink marker.
632
A variety of practical effects for food commercials by @stevegiralt
633
BMS Railmaster golf holecutter.
634
Automated crepe maker.
635
Glass bender.
636
Crab processing line by the Canadian Centre for Fisheries Innovation.
637
Bis(2,4,6-trichlorophenyl)oxalate and hydrogen peroxide.
638
Soap bubbles float on top of sulfur hexafluoride gas, which is denser than air.
639
Automatic screw feeder and driver.
640
MIT's mini cheetah quadruped robot.
641
Landing gear of a 105th Airlift Wing's C-17 Globemaster III.
642
The OpenDrop digital microfluidics platform.
643
With sound:
644
Chroma key compositing ("green screen").
645
Labeling lemons with an LDI 20 label dispenser by Bizerba.
646
A vintage Barco Pegson Rammer for compacting soil.
647
Stamping a vinyl record.
648
A wave pool for oceanic research.
649
Friction drilling allows stronger holes to be drilled by pushing material instead of removing it, via AvE.
650
Cutting wedges of gouda by Point Reyes Farmstead Cheese.