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GamesPosts Tagged: ‘clocks’
When I look at this, I see the stuff of genius. The inventor has taken an etch-a-sketch (a toy for drawing) and reconceptualized it as a display with some of the same characteristics as electronic ink. Here it is used as a clock, but it could easily be used for lots of other display ideas. [...]
If you have ever wondered how a mechanical watch (like a Rolex or a pocket watch) works, this video explains it brilliantly…
How are hourglasses measured to be exactly one hour of sand?
by Marshall Brain | February 22, 2010
You Asked: How are hourglasses measured to be exactly one hour of sand? — Marko, Zagreb, Croatia Marshall Brain Answers: Before there were accurate clocks, people used hourglasses to measure the passing of time. Hourglasses were common on ships, for example, to measure time, and therefore distance traveled, for navigation. If you are trying to [...]
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