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Energy thats similar to an open-ocean wave break also exists in engines. Can it be harnessed with a tunable induction system?

Us and the Media (Best Letter) I was disappointed to see the first...

Material MattersBob Hadley wrote an excellent article that clears up what all those...

Personal-sized oxygen bottles save space and weight, while serving as belt-and-suspender backup. But go bigger if you use O2 regularly.