Laser
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The term "laser" originated as an acronym for "light ampl...
Laser - Wikipedia
Laser Cut Jeans
Você nunca mais verá sua calça jeans da mesma forma: mais uma aplicação para o laser...
Physicists Are One Step Closer To Cooling Down Antimatter
Physicists are one step closer to cooling down antimatter.
PragerU - There's nothing scientific about demonizing...
There's nothing scientific about demonizing carbon dioxide.
How LIDAR Scans Reveal Angkor's Hidden City
LIDAR sends out a million laser points to create a digital outline of the land's surface. Scientists are using these high-tech renderings to uncover the secr...
Remove Facial Hair At Home in 10 Minutes
If you like my video then do subscribe to my channel. Please leave me a comment and give a thumbs up. It means a lot. Thank You :) Ingredients : Gram Flour o...
Zap! This Awesome Laser-Armed Telescope Is Fully Operational
The European Southern Observatory's Very Large Telescope in Chile has an awesome new four-laser guide star to aid the observatory's adaptive optics system.
World's most powerful X-ray laser gets upgrade
The fastest and most powerful X-ray laser in the world will soon be an astonishing 8,000 times faster and 10,000 times brighter, enabling scientists to see how nature works on the atomic level and on ...
NASA researchers are working on a laser propulsion system that could get to Mars in 3 days
Despite how far we've come in space exploration, one thing still holding us back from interstellar travel is our slow spacecraft. While we're able to propel particles to close to the speed of light in...
British Archeologists Have Discovered Long-Lost Roman Roads Using LIDAR
For years, the United Kingdom’s Environment Agency has been using Lidar to study flooding and coastal changes. Since 1998, it’s had an unexpected use: discovering long-lost roads left by the Romans, h...
Scientists find a way to convert Carbon Dioxide from air into fuel
Researchers have discovered a process that takes Carbon Dioxide (CO2) from the air and converts it into methanol (CH3OH) with the help of a homogeneous catalyst.
Japanese Scientists Create Touchable Holograms
Japanese scientists from the Utsunomiya University Center for Optical Research and Education have created a hologram that can be safely handled, according to the Toronto Star. The three-dimensional vi...
Mini Carbon-Capturing Motors May Help Lower Carbon Dioxide Levels In The Oceans
To help address the growing problem of water pollution, a group of scientists have created tiny motors that can rapidly remove carbon dioxide from the water. Researchers have developed carbon-capturin...
The World’s Nitrogen Fixation, Explained
Yale University scientists may have cracked a part of the chemical code for one of the most basic, yet mysterious, processes in the natural world — nature’s ability to transform nitrogen from the air ...
Earth saver? Lasers manipulate spin of 'asteroid' in simulated experiment
Researchers have honed laser technology to be able to slow, stop, and reverse the rotation of an asteroid-like target in a simulated space environment. The findings could potentially help deflect Eart...
Laser construction
A laser is constructed from three principal parts:
The pump source is the part that provides energy to the laser system. Examples of pump sources include electrical discharges, flashlamps, arc la...
Laser construction - Wikipedia
Laser science
Laser science or laser physics is a branch of optics that describes the theory and practice of lasers. Laser science is principally concerned with quantum electronics, laser construction, optical cavi...
Maser
A maser (/ˈmeɪzər/) is a device that produces coherent electromagnetic waves through amplification by stimulated emission. The word "maser" is an acronym for "microwave amplification by stimulated em...
Maser - Wikipedia
Lasers
This is a list of laser types, their operational wavelengths, and their applications. Thousands of kinds of laser are known, but most of them are used only for specialised research.
Lasers - Wikipedia
Fiber laser
A fiber laser or fibre laser is a laser in which the active gain medium is an optical fiber doped with rare-earth elements such as erbium, ytterbium, neodymium, dysprosium, praseodymium, and thulium. ...
Fiber laser - Wikipedia
Quantum dot laser
A quantum dot laser is a semiconductor laser that uses quantum dots as the active laser medium in its light emitting region. Due to the tight confinement of charge carriers in quantum dots, they exhib...
Nanolaser
A nanolaser is a laser that has nanoscale dimensions. The nanolaser concept was developed by Mark Stockman at Georgia State University in 2003.These tiny lasers can be modulated quickly and, combined ...
X-ray laser
An X-ray laser (or Xaser) is a device that uses stimulated emission to generate or amplify electromagnetic radiation in the near X-ray or extreme ultraviolet region of the spectrum, that is, usually o...
X-ray laser - Wikipedia
Laser applications
Many scientific, military, medical and commercial laser applications have been developed since the invention of the laser in 1958. The coherency, high monochromaticity, and ability to reach extremely ...
Laser applications - Wikipedia
Anti-laser
A coherent perfect absorber (CPA), or anti-laser, is a device which absorbs coherent light and converts it to some form of internal energy such as heat or electrical energy. It is the time reversed c...
Selective laser sintering
Selective Laser Sintering (SLS) is an additive manufacturing technique that uses a laser as the power source to sinter powdered material (typically metal), aiming the laser automatically at points in ...
Selective laser sintering - Wikipedia
Hologram trademark
A hologram trademark is a non-conventional trademark where a hologram is used to perform the trademark function of uniquely identifying the commercial origin of products or services.In recent times ho...
Spontaneous emission
Spontaneous emission is the process by which a quantum system such as an atom, molecule, nanocrystal or nucleus in an excited state undergoes a transition to a state with a lower energy (e.g., the gro...
Spontaneous emission - Wikipedia
Membrane paradigm
In black hole theory, the black hole membrane paradigm is a useful "toy model" method or "engineering approach" for visualising and calculating the effects predicted by quantum mechanics for the exter...