资讯

Two principal mechanisms for animal magnetoreception have been put forward (reviewed in ref. 1), based on specialized deposits of magnetic iron minerals and magnetically sensitive photochemical ...
Launched in 2020, COMPASS is a new IAEA initiative that involves partnering with States to help them strengthen the effectiveness of their national authority responsible for safeguards implementation ...
Learn how to make a magnetic compass from everyday objects with this guide for KS3 physics students aged 11-14 from BBC Bitesize.
The magnetic compass has been a crucial navigational tool for around a thousand years or so, perhaps longer. While classical versions still work perfectly well, you can now get digital magnetometer… ...