Abstract: This paper shows the relationship between the resolution of echo images obtained by an acoustic ranging sensor and the accuracy of self-position estimation based on experimental results. The ...

In a curious historical twist, the “Twelve days of Christmas” are actually the days of revelry that followed the 25th. The ...

If you read about Hall effect sensors — the usual way to detect and measure magnetic fields these days — it sounds ...

This easy-to-build walking reindeer can be constructed with only a bow motor, battery, wires, and a few other parts.