Comment Travelling is tiring enough... (Score 1) 98
How much more tiring will it be to walk on a squishy floor rather than on a rigid or resilient one?
How much more tiring will it be to walk on a squishy floor rather than on a rigid or resilient one?
The Stirling engine is pretty neat. It'll run on hot air.
If we install a bunch of them in Washington DC, the energy problem of the US will be solved for good.
The hardest part of climbing the ladder of success is getting through the crowd at the bottom.