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Physics

Michael Parks from Scotch Lake, Cape Breton, N.S. asks,

If nothing can escape from a black hole, how come we are here? The big bang must have...

the answer

The simple descriptive equation for a black hole relates its radius, R, to...

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Engineering

Don Ryan from St. John's, NL asks,

Lightning strikes produce huge amounts of electricity. Has science looked at ways to store and use...

the answer

Certainly science has looked at this. It's simply impractical for many...

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Biology

Rick James from palm springs asks,

I'm just curious why we humans are the only species on this planet that have to manufacturer...

the answer

Evolutionary biologist Elie Dolgin contributed to this answer. Many animals use...

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Engineering

Justin H from Vancouver asks,

If fresh water is pressurized to 1 MPa or greater, frozen solid at this pressure, then...

the answer

Yes it will, though the details depend on what mechanism is used to apply...

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