Engineering, and gadgets: things that make the world work.
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Are solar panels worthwhile?
Started by Petrochemicals « 1 2 3 ... 5 » |
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Are heavier-than-air hybrid airships a good idea?
Started by Professor Mega-Mind « 1 2 3 ... 7 » |
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EoN a con?
Started by alancalverd « 1 2 3 ... 7 » |
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Ethanol fuel is the way to go
Started by Just thinking « 1 2 3 ... 9 » |
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Are electric cars responsible for natural gas demand?
Started by Petrochemicals « 1 2 3 ... 10 » |
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