Makers of handheld digital multimeters (DMMs) specify a meter's resolution based on its display. A 3.5-digit meter, for example, produces counts from 0000 to ±1999. It has three full digits (0–9) and ...

Test & Measurement Europe. Download the pdf. Instruments such as this DMM display as many as 5½ digits of resolution. (Courtesy of Keithley Instruments.) When you count apples, oranges, or transistors ...

It's no news that washing your hands knocks down cold and flu germs. Of course, given that 15 percent of us still don't wash our hands after using a restroom, maybe it is news! But here's a new twist: ...