Japanese design studio A.Works playfully mimics the imagery of Albert Einstein's space-time fabric theory with this mind-bending placemat. By warping the grid pattern, the trick mat creates the illusion that the plate and silverware are weighing down th
Cyanometer – Invented by Horace-Bénédict de Saussure and Alexander von Humboldt. This instrument measures the blueness of the sky. The blueness of the atmosphere indicates transparency and the amount of water vapour.