The gyrocompass is used as a matter of course on the bridge of a ship.However, when you think about it, it is a bit mysterious.Even though it does not use magnets, how does it know where north is?To ...

The Nature Index 2026 Research Leaders reveal the leading institutions and countries/territories in the natural sciences, health sciences, applied sciences and social sciences, according to their ...

The wobble of Earth’s axis is called precession. While most of us are familiar with our planet’s primary motions — rotation and revolution — few are aware of precession. This characteristic is vividly ...

An enhanced version of a magnetometer based on atomic spins could be used to search for theoretically predicted exotic fields with ultrahigh sensitivity. Figure 1: Romalis and colleagues [3] have ...

I do like stabiliser projects - whether Murata unicyclists or self-balancing tightrope walkers - and here's a "Stabiliser Zonai Device". We're talking DC motors and gyroscopic precession... Thanks to ...