676
Dietzgen Model 932S dotted line tool, via @masgrimes.
677
Attaching a zipper to leather with a "walking foot" or even-feed foot sewing machine, by Aspen Saddlery.
678
Augmented Reality Sandbox by researchers at UC Davis projection maps elevation and topography in real time.
679
Launch Directional Robot Intelligent Circuitry ("LDRIC") golfing robot hits a hole-in-one at TPC Scottsdale golf club.
681
Non-Newtonian liquids turn solid when impacted with sufficient force through "impact-activated solidification", demonstrated at The University of Chicago by Scott Waitukaitis.
682
Condom production line at Fuji Latex Company.
683
A stevedore unloading intermodal containers from a container ship with a ship-to-shore crane.
684
Stabilized shipborne tracking antenna by Zodiac Data Systems.
687
Sandmaster 26 sandbag filling attachment for skid steers by Paulls Construction Equipment.
689
“Portal Icosahedron”, a sculpture by Anthony James.
690
Practical effects with fruit for a commercial by visual engineer @stevegiralt.
691
"Machine with Oil", a sculpture whose purpose is to keep itself oiled, by Arthur Ganson at the @MITMuseum
693
A tractor-powered dog train built by Eugene Bostick for strays and rescues he looks after.
694
Virtual reality bird experience by @Birdly.
695
Friction drilling allows stronger holes to be drilled by pushing material instead of removing it, via AvE.
696
SnPC BMM 300-310 brick making machine can extrude up to 12,000 bricks per hour.
697
Precision chimney demolition by Mende Schornsteinbau, via @demolitionnews
698
3D printed universal joint coupling by John Beale.
699
Crab sweepers invented by Chris Bray prevent cars from running over Christmas Island red crab during migrations.
700
A vintage Barco Pegson Rammer for compacting soil.
Amazing feats of engineering. Tweeted by @kane and root.vc.