Outside takes on clean energy
Some articles from Orca contributors over the last few months.
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Beamed power for electric aviation
Microwave phased arrays seem to be a more realistic option than batteries or H2 for powering long-haul electric aviation. We still doubt anybody will build them.
The future is made of energy
A megatrend way bigger than decarbonization is probably the key to abundance and sustainability both.
New figures on the cost of contrail avoidance
~1% of global warming addressable at around $1/ton CO2 equivalent.