802
Very precisely cut steel using electrical discharge machining.
804
The wipers on the LIDAR of @Waymo's self-driving car.
805
The 3D illusions of Kokichi Sugihara, an engineering professor at the Meiji Institute for Advanced Study of Mathematical Sciences.
806
Collaborating with our friends at @NaturelsWeird today! Nemertea ("ribbon worms") can shoot long branching proboscises.
807
Impact extrusion uses extremely high force to press metal into shape.
808
.@swissmiss Never ending slinking machine. youtube.com/watch?v=mISz-_…
809
The Seaspan Survivor deck cargo pontoon unloading lumber.
812
Gallium is a metal with a very low melting point of 85.57°F (cooler than a warm drink).
813
SpaceX Falcon 9 rocket landing after delivering NROL-76 into orbit.
814
Dropping cesium into water (with phenolphthalein for color).
815
The salmon cannon helps migrating salmon over dams.
816
Testing a Norsafe GES 50 freefall lifeboat, designed for escaping large ships and rigs.
817
A Boston Dynamics Big Dog meets a real dog. cc @dog_rates
819
.@swissmiss Endless loop with robot and toy train.
820
A demonstration of the precision of wire electrical discharge machining by Takeda Mold Manufacturing Co., Ltd.
821
.@ScienceMobileEN How Caroll Spinney played Big Bird on Sesame Street.
822
The glory hole spillway at Lake Berryessa's Monticello Dam.
824
Tickle Me Elmo with skin removed via @ScienceMobileEN
825
The Japanese Volleyball Association has developed robot blockers to train national teams.
Amazing feats of engineering. Tweeted by @kane and root.vc.