RE: Beamer

From: Emlyn O'regan (
Date: Thu Dec 20 2001 - 18:28:50 MST

Hey, there's a good solution to global warming. Get everyone out with
buckets of white paint, painting ALL the roads white! Maybe need center
lines in black?

Would that actually work?


> Even the total US electrical power demand is less than a terawatt, or
> about equal to the sunlight on a disk 30 km across. Given
> that roadways
> in the US are more than 2.5 million miles (and assuming an average 30
> foot width), their total area is about 5 times greater than this
> notional disk. Most roads are much darker than the natural
> surface, so
> if their albedo is more than 20% lower than the original, they
> contribute more heat to the planet than would beaming all electricity
> down from space. Making all roadways white while beaming power down
> from space would actually cool the planet- no need to scatter trash on
> the oceans.
> --
> Doug Jones, Rocket Plumber
> XCOR Aerospace

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