companydirectorylist.com  Global Business Directory e directory aziendali
Ricerca Società , Società , Industria :


elenchi dei paesi
USA Azienda Directories
Canada Business Elenchi
Australia Directories
Francia Impresa di elenchi
Italy Azienda Elenchi
Spagna Azienda Directories
Svizzera affari Elenchi
Austria Società Elenchi
Belgio Directories
Hong Kong Azienda Elenchi
Cina Business Elenchi
Taiwan Società Elenchi
Emirati Arabi Uniti Società Elenchi


settore Cataloghi
USA Industria Directories














  • Laser - Wikipedia
    A telescope in the Very Large Telescope system producing four orange laser guide stars A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation The word laser originated as an acronym for light amplification by stimulated emission of radiation [1][2] The first laser was built in 1960 by Theodore Maiman at
  • Laser | Definition, Acronym, Principle, Applications, Types | Britannica
    Laser, a device that stimulates atoms or molecules to emit light at particular wavelengths and amplifies that light, typically producing a very narrow beam of radiation The emission generally covers an extremely limited range of visible, infrared, or ultraviolet wavelengths
  • How do lasers work? | Who invented the laser? - Explain that Stuff
    An easy-to-understand explanation of how lasers work, with a simple diagram showing what's inside a laser
  • Frequently Asked Questions About Lasers | FDA
    Frequently Asked Questions about Lasers Home Radiation-Emitting Products Radiation-Emitting Products and Procedures Home, Business, and Entertainment Products Laser Products and Instruments
  • What Are Lasers And How Do They Actually Work? - ScienceAlert
    Lasers are devices that concentrate beams of light by forcing their waveforms and frequencies to align
  • How Lasers Work - HowStuffWorks
    Lasers are used in dental drills, eye surgery and even tattoo removal But what exactly is a laser? There are numerous types, but all lasers work basically the same way Learn how they generate such concentrated beams of light
  • Lasers: Understanding the Basics - Photonics
    Although lasers range from quantum-dot to football-field size and utilize materials from free electrons to solids, the underlying operating principles are always the same This article provides the basic information about how and why lasers work
  • What Is A Laser? | NIST
    An explanation of lasers and their uses from NIST's William D Phillips, who shared the 1997 Nobel Prize in Physics for his pioneering work in using lasers to cool atoms to temperatures near absolute zero Dr Phillips leads NIST's Laser Cooling and Trapping Group, which continues to make fundamental discoveries in atomic, molecular, and optical physics, and is active in science education and




Annuari commerciali , directory aziendali
Annuari commerciali , directory aziendali copyright ©2005-2012 
disclaimer