Cardiovascular diseases remain the leading global cause of mortality, claiming nearly 18 million lives each year. Early detection and continuous monitoring of blood pressure, vascular resistance, and ...

There was a time when only the richest ham radio operators could have a radio with a panadapter. Back in the day, this was ...

Even entry-level oscilloscopes today have simple math functions such as adding or subtracting two channels. But as [Arthur Pini] notes, more advanced scopes can now even do integration and ...