If shrunken down to micron size, a compass needle could wobble. (Courtesy: iStockphoto/tobias machhaus) A tiny magnetic needle just 10 μm long could be used to create a magnetic-field sensor that – if ...

This compass includes a sighting hole and notch so you can get accurate bearings, as well as a clinometer and a declination adjustment tool. The TruArc needle tilts up to 20° for balanced use anywhere ...

A compass is a navigational tool that helps people find their direction using the earth's magnetic field. It contains a magnet that aligns itself with the earth's north pole to indicate the direction.

株式会社Terize（本社：東京都世田谷区、代表取締役：坂本嘉一）は、スキンケアブランド「Re：needle（リニードル）」より、シリーズ初の化粧水「Re：needle lotion（リニードル ローション）」および乳液「Re ...