network profile
| bio | website | von-eitzen.de/math/tntrep.xml |
|---|---|---|
| location | Bonn, Germany | |
| age | 47 | |
| visits | member for | 8 months |
| seen | Mar 6 at 20:48 | |
| stats | profile views | 32 |
I did study math and had a knack for it, but I am sooo out of that business now ...
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Jan 6 |
comment |
Energy loss in pipe/hose with hot water (how its affected by pipe/hose size, temperature)? From thermal loss, less surface seems to be the right thing to do. But note that the pressure needed to pump the water through smaller pipes is higher (Hagen-Poisseule law) |
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Sep 24 |
comment |
Are we always going to measure lightspeed at 3*10^8 no matter what? Actually, today's definition of meter makes the speed of light constant - even if it should change for weird reasons :) |
