If you want to know the time, ask a bubble

日期:2019-03-07 02:12:04 作者:敬簪 阅读:

By Ian Sample A CLOCK made of bubbles is the brainchild of Fred Romberg of the California Institute of Technology. Romberg got the idea after watching the bubbles in a glass of soda. “I thought that if I could control the motion of the bubbles, I could start making letters,