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science in context, art history and some puzzles to solve

Along the pavements of Japan are yellow textured strips

These are Tenji blocks or “braille blocks.” These embedded plates allow visually impaired people to safely navigate their environment through tactile cues rather than sight.

https://t.co/NnzHFediJv https://video.twimg.com/ext_tw_video/1564506959545454592/pu/vid/540x960/sW4ZtC1j4QV-CA-4.mp4?tag=12

If you focus on the central spot, the others vanish

This phenomenon is called 'motion-induced blindness' losing sight of stimuli that are in plain view. The dots don’t actually vanish your mind just perceives it that way.

https://t.co/MoqHhnD3kL https://video.twimg.com/ext_tw_video/1846240244414205952/pu/vid/avc1/726x720/GFliNDKTNwjN3BPr.mp4?tag=12