When were magnets first used?

Answer The Chinese and Greeks discovered magnetism independently of one another when they found that lodestone attracted iron. According to San Diego Miramar College, seafarers began using magnetic compas... Read More »

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Science Projects for Permanent Magnets Vs. Temporary Magnets?

Hands-on learning is an excellent way to teach scientific concepts. Projects that demonstrate the difference between permanent magnets and temporary magnets are easy and inexpensive to create. Temp... Read More »

What does n50 mean in magnets?

The "N" in an N50 magnet identifies a magnet as a neodymium iron boron magnet (NdFeB). The "50" represents the strength of the magnet as rated in MGOe (maximum energy product), according to EngConc... Read More »

What are cow magnets?

For dairy farmers and veterinarians, cow magnets play an important role in caring for cows. When a cow eats grass, he also swallows tramp iron (any metal lying around), such as nails and pieces of ... Read More »

Why are magnets fun?

Magnets are versatile and enable many cool activities. Magnets are involved in art, science, toys and orienteering. Magnets are also somewhat mysterious and continue to incite our curiosity.Magnets... Read More »