Electrodynamic Wheel

Electrodynamic Wheel

An electrodynamic wheel is a type of wheel proposed for use in the maglev train transport system’s electrodynamic levitation. This motor is used to propel…
Electromagnetism – in Physics

Electromagnetism – in Physics

Electromagnetism is the interaction of particles with electric charges via electromagnetic fields in physics. It is a branch of physics that studies electric and magnetic…
Magnetic Bearing

Magnetic Bearing

A magnetic bearing is a type of bearing that uses magnetic levitation to support a load. Magnetic bearings allow moving parts to be supported without…
Laser Cooling

Laser Cooling

Laser cooling is a technique that uses laser light to lower the temperature of a group of atoms or ions. In condensed matter physics, laser…
Quantum Pendulum

Quantum Pendulum

The quantum pendulum is critical to understanding hindered internal rotations in chemistry, quantum features of scattering atoms, and a variety of other quantum phenomena. It…
Researchers Show Continuous-Wave Deep-UV Laser Diode Lasing at Room Temperature

Researchers Show Continuous-Wave Deep-UV Laser Diode Lasing at Room Temperature

In partnership with Asahi Kasei Corporation, a research team led by 2014 Nobel laureate Hiroshi Amano at Nagoya University’s Institute of Materials and Systems for…
Optical Cavity

Optical Cavity

An optical cavity, also known as a resonating cavity or optical resonator, is a mirror or other optical element arrangement that forms a cavity resonator…
Acoustic Impedance

Acoustic Impedance

Acoustic impedance and specific acoustic impedance are measures of a system’s resistance to acoustic flow caused by an acoustic pressure applied to the system. The…
Cavity Optomechanics – a Branch of Physics

Cavity Optomechanics – a Branch of Physics

Cavity optomechanics is a branch of physics that focuses on the interaction between light and mechanical objects on low-energy scales. It is a field of…
Acoustic Contrast Factor

Acoustic Contrast Factor

The acoustic contrast factor is a number used to describe the relationship between the densities and the sound velocities (or, equivalently because of the form…
The Beam Quality of a Semiconductor Laser can be Enhanced by a Straightforward Shape Adjustment

The Beam Quality of a Semiconductor Laser can be Enhanced by a Straightforward Shape Adjustment

Scientists from KAUST have shown how small semiconductor lasers may be easily modified to make them more useful for lighting and holography. The study has…
Radiation Pressure

Radiation Pressure

Radiation pressure (also known as light pressure) is the mechanical pressure exerted on any surface as a result of the object’s momentum exchange with the…
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