Designer Duncan Shotton rethought a mildly laborious experience — finding the pencil sharpener and twisting it carefully—as an enjoyable, rewarding one — discovering the pencil sharpener so you could craft another mini rainbow. With the Rainbow Pencil, a chore in your day becomes a break. - This Pencil is A Masterclass In Interaction Design
Yuri Suzuki - 6 Rubens Tubes Visualizer (2012)
Basically visualized sound, the artist used a “standing wave flame tube” (or simply “flame tube”), which is an antique physics apparatus for demonstrating acoustic standing waves in a tube, invented by German physicist Heinrich Rubens in 1905, to visually demonstrate the relationship between sound waves and sound pressure, like a primitive oscilloscope.