Viet Tran and Seth Robertson, university students, have invented a device that can put out flames using only a blast of sound. Two students at George Mason University, Virginia, have taken fire ...
We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Doug Mahoney Doug Mahoney is a writer covering home-improvement topics, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results