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Oliver

zomtecos@feddit.de
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0 posts • 68 comments

Macht hochspannende Autos ohne Dinosaurier-Antrieb…

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Promise is promise.

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When you compare the size. When you compare the population… it depends.

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You could just put it in mWh. BAM, bigger number.

3000 mAh * 3.7V = 11.100 mWh Much bigger. Much better.

I hate mAh… it’s absolutely no information how much energy is inside without taking the voltage into account. If you use directly (m)Wh, you directly have the amount of energy the battery can contain.

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Had just 4 X-Buttons… could be worse. 🥸

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32 points

Damnit, I forgot one cable.

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I wonder how the got the seals tight. So many joints with some old technology. When they have atmospheric pressure, they can’t work with overpressure keeping the water out, as the ocean will be the overpressure trying to push the water in. 🤔

Wouldn’t trust this thing my life. :)

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Ever tried to breath when you head is in atmospheric while your chest isn’t? For example in a pool: swim straight upside in the water, only the head is above. Your chest will be approximately 0.5m below the surface, probably more or less. So you have a pressure difference of just 0.05 bar between the intake (mouth) and the location of the target reservoir (lung). It’s a very noticeable effort you have to overcome with your breathing muscles.

And now imagine being just 20m deep with atmospheric pressure at your head. That would be a pressure difference of 2 bar. You probably won’t be able to inhale anything.

When scuba diving, the air you are inhaling has always the same pressure as your surroundings. When you dive at 40m you are inhaling air with a pressure of 5 bar (that’s also the reason why your tank is emptying much faster at that depth).

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Der ein oder andere Asiate hat da bestimmt ganz besonders „gute“ Teigtaschen.

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