Category Archives: Physics

Around 170 years ago, in his experiments, Faraday discovered that when a magnet is rotated, the field lines that it generates within and through the atmosphere do not rotate in concert. Francisco Müller in his paper “Unipolar Induction Revisited” writes:- … Continue reading →

From Newton’s time to the middle of the 20th century it was generally believed by scientists that the atmosphere of the Earth extended to a certain altitude, around 80 km, whereafter the perfect vacuum of space began. In the 1950’s … Continue reading →

For centuries scientists have been trying to create lower and lower temperatures and pressures, initially by evacuating gas from containers with mechanical pumps. But today more refined technologies such as diffusion, ionisation, chemisorption etc. are used to produce ‘high’ partial … Continue reading →