A permanent magnet is always magnetic. It has an invisible magnetic field. Only certain materials, such as iron, feel a magnetic force. Permanent magnets can come in lots of different shapes and ...

But they suffer from a fundamental drawback — to image individual atoms, samples have to be placed in strong magnetic fields. This makes it impossible to image materials that are strongly ...

As a mom and a journalist who follows the toy market, I count magnetic toys among the least ... "Since the magnets help keep structures together, kids are able to build higher and wider," says ...

Some of the most sensitive methods of measuring magnetic fields use interactions of resonant light with atomic vapour. Recent developments in this vibrant field have led to improvements in ...

By studying robins, scientists have found clues to how birds sense the Earth's magnetic field. Just as you might reach for a magnetic compass to find which way is north or south, birds are thought ...

Experts are urging parents to keep young children away from tiny, strong magnetic toys following a series of accidental ingestions that caused serious internal damage. The Consumer Affairs Agency ...