From our perch here on Earth, the sun seems pretty uniform from day to day. But a closer look in this new magnetic map reveals that it’s teeming with activity—and with some intriguing bright spots.
It’s a good idea to keep your best kitchen knives outside of the drawer, where they can get knocked about and damaged, but a dedicated knife block also takes up valuable counter space. An even better solution than both is to turn any flat surface in your kitchen into a magnetic knife holder using these vinyl decals.
Bruce Shapiro’s Sisyphus is a magic machine that shows a steel ball rolling around in the sand to create wonderfully intricate sand drawings. The balls are all controlled with magnets but they seem to have a mind of their own. It’s like making a Zen Garden, only with the sorcery of magnets instead of old style rakes.
Not content with creating a robot cheetah that can run and jump over obstacles at astonishing speeds, researchers at MIT have also developed this incredibly tiny origami robot that can not only fold itself, it can also walk, swim, and then destroy itself when it’s no longer needed.