Weekly Roundup – hololens, worst albums by actors, 100s free games, Bluemix

HoloLens augmented reality headset … this really is incredible!! … demonstration of how you could pin videos and calendars wherever you want in your house or play with a 3D-animated puppy

The <em>Millionaire</em> machine of Steiger/Egli
The Millionaire machine of Steiger/Egli (Courtesy of Mr. John Wolf)

The Millionaire Calculating Machine by Otto Steiger … in 1892 the swiss engineer Otto Steiger (1858-1923) received his patent for the ‘Millionaire’ calculating machine (German patent DE 72870). This was really the first commercially-successful direct multiplication calculating machine, and was so successful it remained in production until 1935. Continue reading

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