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In Sun City Africa resides one of the world’s longest ziplines that takes you over 100 MPH. Visit it yourself or check out the videos below…

Here’s some more footage if you can stand the annoying “tourist chatter”:

A compilation of half-baked inventions & physical feats from the 1920s through the 1950s… Superb!

Impressive oversized animatronic puppets.

Lots more of these videos at the Youtube.

…It’s a massive remote controlled plane!

Here’s an interesting form of propulsion that allows the operator to traverse Siberian forests and bodies of water with ease. Seems to have been developed by the Russians as seen in this archival footage.

Of course nowadays, you can just buy the toy.

More info can be found here.

A romantic comedy documentary about men who fall in love with mannequins. Inevitably, they all get the girl.

(NSFW)

A very cool video demonstrating nanotech replication and repair on a macro scale.