Sciencespeaking topic
Everything you see is actually the past. The face of the person beside you is how they were a nanosecond ago, the Moon a second ago, the Sun eight minutes ago. Is the 'now' we think we see always actually the past?
— speed of light / delay
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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