PowerPoint is the devil’s instrument, and when you use it, you risk becoming a musician in his demonic orchestra. All of us are required to give presentations in some form or fashion at various points in our careers.

MIT engineers have devised a way to measure the mass of particles with a resolution better than an attogram—one millionth of a trillionth of a gram.

International standards ISO 6892 and JIS Z2241 for tensile testing of metallic materials have been revised with the addition of another test item: strain rate control.