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NASA rocket test platform.
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Previously:
https://www.homemadetools.net/forum/...493#post110756
https://www.homemadetools.net/forum/...222#post150001
https://www.homemadetools.net/forum/...245#post141922
That is amazing. We need to start putting some emphasis on hydrogen powered cars instead of using rechargeable batteries. Think of how that would help solve so many problems in California. All of that water vapor in the air would help reduce the fire danger, reduce the severe droughts they have, eliminate smog and carbon emissions.
https://www.androidpit.com/best-hydrogen-powered-cars