Laser power?

Thinking cliché sci-fi laser guns. How much power (Watts) would be required for a laser beam to penetrate through a human skull or the sternum in a millisecond or less?

Although it seems silly, a laser gun could be done if / Technology of capacitor was ten times better. Note that the laser itself is very up to the delivery of a small amount of energy in an extremely short amount of time. Compare the muzzle energy of a bullet. Not much. If 1000 joules are doing in 100 microseconds, which is 10 MW, but only 100 microseconds … There are 3600 times this amount of energy in a single kWh, worth a dime in most cities. Hmmm … I think I to build one at the store tonight.

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