Sciencespeaking topic
The faster you go, the harder it is to speed up; the mass of an object approaching the speed of light goes to infinity. That's why nothing can reach the speed of light. Why did the universe set a speed limit, and why does light define it?
— special relativity / speed of light limit
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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