Archive for Januar, 2011
Dienstag, Januar 11th, 2011
One Laptop Per Child (OLPC) showed off the next version of its famous laptops at the International Consumer Electronics Show in Las Vegas (CES 2011) – the new price-per laptop has been reduced to $75 each and power consumption has been slashed by half compared to the previous version
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Montag, Januar 3rd, 2011
A BTU is defined as amount of heat required to raise the temperature of one 1 pound (0.454 kg) of liquid water by 1 °F (0.556 °C) at a constant pressure of one atmosphere – it is used in the power steam generation heating and air conditioning industries
1 Btu/h = 2.931 W / 1000 W = 3412.14 Btu/h
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