Sciencespeaking topic
Reaching absolute zero and stopping all motion is impossible. Nature won't allow anything to come to a complete stop; even at the coldest point a tiny vibration remains. Why has the universe forbidden absolute stillness?
— absolute zero / zero-point energy
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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