Time at the bar! Beer glass that doubles as a SUNDIAL launched

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Time at the bar! Beer glass that doubles as a SUNDIAL launched

Post by gerber on Wed Apr 16, 2014 4:25 pm

The clever device works by positioning it so the sun shines through a ring on the back of the glass onto vertical markings showing the months of the year.
The height of the shadow then tells the user what time of day it is - and it is accurate to within a few minutes.
Like all sundials, the SunGlass uses local solar time, a method of measuring time using the height of the sun, rather than Greenwich Mean Time, which clocks go by.


Read more: http://www.dailymail.co.uk/news/article-2605589/Time-bar-Beer-glass-doubles-SUNDIAL-launched-punters-never-miss-rounds-accurate-minutes.html#ixzz2z3z2sKwV
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Please someone tell me what today' date is..............

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