Submitted by boredandbloody t3_z7a0rp in mildlyinteresting
never0101 t1_iyaoh46 wrote
Reply to comment by PharFromPharm in A math textbook (right) transcribed into braille. Door for scale. by boredandbloody
So he just actually did all thzt shit in his head, not writing anything?
PharFromPharm t1_iyaq21o wrote
He used, what I like to call, an “air-whiteboard” by using his finger to draw the equations in the space in front of him. Guy was amazing.
never0101 t1_iyaqkiw wrote
That's nuts, wow. Impressive.
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