The Ming Dynasty ships used magnetic compasses similar to those used today.

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Magnetic resonance imaging (MRI) image demonstrating a back herniated disk.

New Magnetic Cycle

Zeeman Splitting by a Sunspot’s Magnetic Field

Babcock’s Magnetic Dynamo

Dred Scott and his wife and children are featured on the cover of Frank Leslie’s Illustrated Newspap

Hall-effect switches use metallic shutters to shunt magnetic lines of force away from a silicon ...

Author Question: The Ming Dynasty ships used magnetic compasses similar to those used today. (Read 81 times)

Related Topics

Need homework help now?