The best math learning materials

Our team of experts has selected the best math learning materials out of dozens of options. Don’t buy math learning materials ...
New Scientist

The sneaky maths trick for solving problems without answering them

How can you have a proof without proving anything? Mathematicians found a way and, in the process, came to blows over it – ...
IEEE

A Magnetic Flux Collection Enhanced Arc-Shaped Core and Its Optimal Coil Turn Design Method of Free-Standing Magnetic Field Energy Harvester

Abstract: Due to the flexible and reliable advantages of the free-standing magnetic field energy harvester (FSMFEH), it is suitable for powering the sensor on the cable. However, the existing cores ...
IEEE

Orthotropic Material Parameters Identification Method of Stator Core and Windings in Electric Motors

Abstract: The accurate equivalent orthotropic material parameters (OMPs) of stator core and windings are the basis of modal analysis in electric motors and the key to precisely predicting ...