First Do No Harm

I'm thinking, unkown air travel devices, no discernable means of propulsion, maybe we shouldn't be just going cowboy with them.

My tweet of Feb.12:

I recommend, "The Day The Earth Stood Still" (1951)https://t.co/lzavpjsGrchttps://t.co/bKi5dSBpJw pic.twitter.com/yHnl284To5

— Van (@VannevarB) February 12, 2023