The 1.7 mile (2.73 km) tunnel in downtown Seattle will house a double-decker highway
The team at Warped Perception built a glass head for a Briggs and Stratton engine to make the combustion process visible
Aliaksei Zholner built this incredibly small, single-cylinder engine entirely out of paper and it works!
A sinkhole roughly the size of an Olympic swimming pool opens up in Fukuoka, Japan and is repaired in an amazing 48 hours
Autobots, roll out!
12 hours, 8000 photos. A tanker goes from the Atlantic to the Pacific via the Panama Canal
Spaceship engineer Mark Rober teams up with the duo at Eclectical Engineering to build the world’s largest Nerf gun and the results are awesome