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Comment: Re:So they update it, but... (Score 3, Informative) 202

by fisted (#47448055) Attached to: New Raspberry Pi Model B+
Those aren't the "major" shortcomings, and frankly, those aren't shortcomings at all. The CPU is about as fast as you'd expect at that little power consumption, and there is plenty of RAM. No idea what you're trying to do with yours, running Windows on it?

In case you case, the two major shortcomings are power related (try to hotplug a wifi dongle, say) and the non-dedicated ethernet.

Comment: Re:Unsafe at any speed (above 100 MPH)... (Score 1) 443

by fisted (#47440831) Attached to: The First Person Ever To Die In a Tesla Is a Guy Who Stole One
Suppose a car of m=1000kg mass.
Kinetic Energy E_kin = m/2 * v^2

E_kin(standing car): 0 J
E_kin(20mph ~= 9 m/s): 40.5 kJ
E_kin(80mph ~= 36 m/s): 648 kJ
E_kin(100mph ~= 45 m/s): ~1 MJ

Difference between the first two: 40.5 kJ
Difference between the latter two: ~352 kJ

I take the 20mph one, thanks..

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