Published February 14, 2021
People have long tried to obtain magnetic fluids by shaking fine powders of ferromagnetic material in water, oil and other liquids. But such a magnetic fluid disintegrated, and the powder settled: it was too large and heavy. Only in the 60s. XX century the ferrite powder was ground so well that, being poured into a mixture of kerosene...
Published May 29, 2021
Since ancient times, people have identified amber and magnet. It would seem, what is common between a piece of fossilized resin of prehistoric trees and a magnet that is completely different from it? Quite simply, their general ability to attract objects. The property of amber to attract small and light objects was first described by the famous Greek philosopher Thales from the city of Miletus...
Published January 10, 2022
When the question of wind energy arises in this topic, the numbers of existing installations in Holland or, say, Australia immediately pop up. And these countries are considered the cutting edge of such science. But what about our scientists? Can they really only catch up and not discover new things? It turns out that things are not so simple. In this regard, we will consider the wind power plants of Yuri Kondratyuk...
