@TheOneWithTheHair to Today I LearnedEnglish • 1 year agoTIL Boeing, NASA, and United Airlines test sustainable aviation fuelinnovationorigins.comexternal-linkmessage-square19arrow-up1166arrow-down117
arrow-up1149arrow-down1external-linkTIL Boeing, NASA, and United Airlines test sustainable aviation fuelinnovationorigins.com@TheOneWithTheHair to Today I LearnedEnglish • 1 year agomessage-square19
minus-square@EverythingispenguinslinkEnglish10•1 year agoOddly enough we are no longer using bags made out of gelatine impregnated cotton to contain hydrogen gas.
Oddly enough we are no longer using bags made out of gelatine impregnated cotton to contain hydrogen gas.