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.
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The future is made of energy
A megatrend way bigger than decarbonization is probably the key to abundance and sustainability both.
Outside takes on clean energy
Some articles from Orca contributors over the last few months.
New figures on the cost of contrail avoidance
~1% of global warming addressable at around $1/ton CO2 equivalent.