Tuesday links

6 Inventors Killed by Their Own Inventions

How to Build a Supersonic Ping-Pong Gun.

The horrible truth about Spiderman’s anatomy: what is that sticky white stuff?  Kind of related: Excellent set of up close hi def images of insects and spiders.  Also, anthropomorphic Beetle Dioramas.

10 Historic Flying Cars.

8 Touchdown Dances for Other Situations.