101
The stabilized cannon of a West German Leopard II balancing a mug of beer.
102
A camera's frame rate synchronized with a bird's wings (thanks @chrisdotio)
103
Spatial Flux is a soft robot designed to hold people in microgravity by @MITCities.
104
A trippy zoetrope by John Edmark at Stanford University.
105
Los Angeles-class submarine USS Hartford (SSN-768) surfacing through the ice in the Arctic Circle.
106
Hidden magnetic screws by the Swiss company Invis.
108
A LEGO paper airplane machine by Hknssn.
109
The DRAGON is a flying robot that can change its shape, by JSK Lab at the University of Tokyo.
111
Testing the ground drain at the Kölnbrein Dam in Austria.
112
A full-scale Gundam model at the Gundam Factory amusement park in Yokohama.
113
Polish Dragon Boat Racing, also known as "tug of oars".
114
A percussionist from the Berliner Philharmoniker plays a hammer during Wagner's "The Ring Without Words" conducted by Lorin Maazel.
116
Filming rally driving is sometimes as impressive as the rally driving itself.
117
LEGO digital clock by Hans Andersson at tiltedtwister.com
118
Ferrofluid clock uses magnetic liquid to tell time.
120
A wind turbine on fire from overvoltage.
121
A switch on the Pilatusbahn cogwheel mountain railway.
123
A timelapse of the SpaceX SAOCOM 1A launch leaving Earth's shadow.
Amazing feats of engineering. Tweeted by @kane and root.vc.