Applied physics

The Fundamentals of Electromagnetic Waves

Electromagnetic waves are electric and magnetic fields traveling through free space at the speed of light; in other words, an…

6 months ago

The Principle & Application of Nuclear Magnetic Resonance (NMR)

Nuclear magnetic moments (along with electronic magnetic moments) precess (spin) when placed in an external magnetic field, B. The frequency…

7 months ago

The Physics Behind Magnetic Resonance Imaging (MRI)

MRI provides physicians with a tool to assess a patient’s health. To have an MRI exam, the patient lies in…

8 months ago

The physics behind Global Positioning System (GPS)

The Global Positioning System (GPS) is a framework that allows anyone, with the aid of a small device, to identify…

8 months ago

The Operation of Magnetically Levitated Trains (Maglevs)

Magnetic levitation (maglev), take place when the magnetic interaction is strong enough to balance the force of gravity. The like…

8 months ago

Basic Facts about Superconductors

Most of the conductors we use in our daily life are metals such copper wire. While these conductors are useful…

8 months ago