Comment Use it to fight global warming ? (Score 1) 92
If we have the technology to build this kind of giant umbrella, can't we put one somewhere between earth and the sun to provide shadow over the poles and prevent global warming ?
If we have the technology to build this kind of giant umbrella, can't we put one somewhere between earth and the sun to provide shadow over the poles and prevent global warming ?
What's the difference between a computer salesman and a used car salesman? A used car salesman knows when he's lying.