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You are the best really, I have a book about propulsion but this one was better than reading a book🎉
the experiments shown are amazing.
Oh, boy. I had almost forgotten the days when a science instructor would conduct demos like this one. I'm surprised OHSA hasn't retroactively banned this one.
You are the best really, I have a book about propulsion but this one was better than reading a book🎉
the experiments shown are amazing.
Oh, boy. I had almost forgotten the days when a science instructor would conduct demos like this one. I'm surprised OHSA hasn't retroactively banned this one.