Have you ever had one of those nights when you intend to get things done - like perhaps jotting down a short essay explaining your child-rearing philosophy - but instead you spend an hour researching the various options for solid and liquid rocket fuel? Fascinating stuff. Drew me right in. Have a few chemistry questions for my sister-in-law next time we're together.
NASA scrubbed tonight's launch attempt because of a faulty valve. (After weather prevented an attempt last night.) They hope to try again "early Friday morning" (Thursday night).
Did you know they don't use fossil fuels? Commercial/private space flight probably will.
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