NASA before Powerpoint (c.1960) by J.R. Eyerman for LIFE Magazine

Stuff to improve your mood.

German engineer Karl Benz invented the world's first practical internal-combustion engine automobile.

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If you like to work on cars or want to make fewer trips to the mechanic, then these five inexpensive Harbor Freight tools should be in your garage.

This massive two story tall steam engine might have provided electricity for a single city or a large factory in Germany at the turn of the 20th century. Steel Engraving from a German Reference book 1907.

One of the rarest surviving Enigma cipher machines has sold at auction for a record price of US$463,500. The fully operational Enigma M4 was made to send secret messages to the German U-boat packs at the height of WWII.