Because of the shell arrangements of electrons in various atoms and molecules, some substances are quite good at allowing a few electrons to move about freely (e.g., copper, silver, gold, aluminum), ...

It isn’t often that physics produces news that diverts the mainstream media from politics, crime and sports. But, now, in the space of four years’ time, physicists have twice elevated the intellectual ...

Jim al-Khalili was sitting in a physics lecture at the University of Surrey when he suddenly understood the power of equations to describe and predict the physical world. He recalls that sadly his ...

The mathematics for properly designing ventilation and emission control systems have been around for quite awhile, but our studies of hundreds of systems show that many are wasting energy, while still ...

This article explains the switching behavior of power MOSFETs in practical application circuits and shows the reader/designer how to choose the right device for the application using the ...

Jim al-Khalili and fellow physicists on the beauty and power of equations to describe and help understand the physical world. Show more Jim al-Khalili was sitting in a physics lecture at the ...

Life on the East Asian Flyway – Part Two: Yellow Sea South Life on the East Asian Flyway - Part Three: Yellow Sea North Life on the East Asian Flyway - Part 4: The Arctic Jim al-Khalili was sitting in ...