Sciencespeaking topic
Empty space isn't actually empty. Particles are constantly appearing out of nothing and vanishing again. Even 'nothingness' is boiling. So is there truly such a thing as 'nothing'?
— quantum vacuum / virtual particles
practice with this topic
Set the timer (5-30 min), take 20 seconds of prep if you like, start talking. Jot your thoughts onto the sticky-note board.
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