TOTD has been expecting something like this for a while now and looking forwards to them for even longer: http://bits.blogs.nytimes.com/2012/02/21/google-to-sell-terminator-style-glasses-by-years-end/ Although how they work for those who already wear glasses and how they avoid additional clumsiness and walking into lampposts …

Heads up display glasses Read more »

The BBC recently asked for top predictions for the next hundred years, inspired by American Civil Engineer John Elfreth Watkins’ hypotheses in 1900: http://www.bbc.co.uk/news/magazine-16444966 Here are what BBC viewers have sent in. What do you think will happen? http://www.bbc.co.uk/news/magazine-16536598

TOTD can remember when, back in the mid-1980s, the Department of Geography still had a variety of whacky calculating devices. These included a number of pinwheel machines, and even a large desktop machine with a Nixie tube display (http://en.wikipedia.org/wiki/Nixie_tube). Best …

The Curta Calculator Read more »