changing

Scientists Have Found a Flaw in a 300-Year-Old Law of Physics, and It’s Changing How Friction Works.

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Setting Up the Test, Total Conflict and Order Parameters

For more than three hundred years, Amonons first law has been one of the most reliable principles of physics. Written by the French physicist Guillaume Amontons in his 1699 book De la résistance causée dans les machines, the law states that the force of friction is directly proportional to the applied load, which means that … Read more

Climate change is changing the dust in the Sahara – and Europe is down

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Parthenon in a cloud of physical dust

In recent years, citizens of Spain, France and the UK have looked up to see a strange sight: an orange sun and skies thick with yellow fog. These cloudy skies often produce “blood rain”, rust-laden rain that leaves a fine smear on cars and windows. These events are caused by dust from the Sahara desert … Read more