Sciencespeaking topic
When you look in a mirror, left and right seem to swap but up and down don't. The mirror actually flips front and back, not left and right. So why does our brain interpret this as 'left-right'?
— mirror symmetry / perception
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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