4 Comments

  1. chundricles on

    I feel like I define “design” very differently than the articles author .

  2. Advanced-Summer1572 on

    I might be confused, but I was a government security contract company in the 80’s-2010’s… During that time I saw an A-76 (Government request for proof of concept program) plan for “Slush hydrogen” fueled troop transportation aircraft. Is this what they are now calling “liquid hydrogen”?

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