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(re)framed
A day made of glass: I’m reminded of an interesting passage in the book Glass: A World History: As we have seen, one of the rapid developments in glass technology was the making of panes of window glass, plain and coloured, which was particularly noticeable in the northern half of Europe [after the twelfth century]. […]
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(re)framed
A day made of glass: I’m reminded of an interesting passage in the book Glass: A World History: As we have seen, one of the rapid developments in glass technology was the making of panes of window glass, plain and coloured, which was particularly noticeable in the northern half of Europe [after the twelfth century]. […]
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Altitude: Arriving and adapting
Altitude in football: When to arrive In the last few posts, I’ve been looking at the impact of altitude on football. It's an impact that extends beyond the simple "less oxygen" argument, because there are effects on the flight of the ball. However, we've looked primarily at how the player's physiology may be affected, and […]
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Exoplanet Has Showers of Pebbles
mmmscience writes “The newly-discovered exoplanet COROT-7b has an unusual form of precipitation: rocks. Because it orbits so close to its sun, the temperature on its sun-facing side is around 4220 degrees Fahrenheit. That’s hot enough for rocks to vaporize — not unlike water evaporating on Earth. And, like Earth, when the vapor cools in the […]
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Limun baterija
, Sigurno već svi znamo da kada zabodemo dvije elektrode različitih metala u limun (ili luk, krompir, grožđe…) dobijemo primitivnu bateriju od nekih 0,5 do 1V., Ova baterija se sastoji iz 4 ćelije, teži svega 0,85g i napaja visokoefikasnu LED čitavih 60 minuta. Najbolja stvar je što ne morate nositi limun sa sobom, već trebate […]
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Fruit Powered Clock Makes A Tasty Timepiece
By Chris Scott Barr How many times have you found yourself in a situation where you’re getting ready to set up an explosive device which you will use to scare people into giving you millions of dollars? Since you’re obviously an evil super villain, I’m going to guess this is something you do on a […]
