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Who discovered laser?
The concept of the laser was first proposed by Albert Einstein in 1917. The first working laser was developed by Theodore Maiman in 1960, using a synthetic ruby crystal. This marked the beginning of practical laser technology.
What is an artificial star?
An artificial star is a point source of light created by projecting a laser beam into the Earth's atmosphere. This is often done for calibrating and testing astronomical instruments like telescopes. The laser causes a disturbance in the atmosphere that simulates the twinkling effect of real stars.
What is the three-dimensional image produced by laser light?
A hologram is a three-dimensional image produced by laser light. It appears to have depth and can be viewed from different angles, giving a sense of spatial presence. Holograms are created by recording the interference pattern between two laser beams on a photosensitive material.
When was the optical disk invented?
The optical disk was invented in 1958 by David Paul Gregg. He created a system called the Laser Optical Storage System (LOSS) that used a laser beam to record data onto a transparent disc.
When was the laser pen invented?
The laser pen was invented in 1960 by Theodore H. Maiman, an American physicist. He demonstrated the first working laser using a ruby crystal. The laser technology was later adapted for various applications, including the laser pen.
When was Plymouth Laser created?
Plymouth Laser was created in 1990.
When was Laser Performance created?
Laser Performance was created in 1969.
When was Electric Laser created?
Electric Laser was created in 2008.
When was LASER Airlines created?
LASER Airlines was created in 1993.
When was Laser Hawk created?
Laser Hawk was created in 1986.
When was Laser Broadcasting created?
Laser Broadcasting was created in 2002.
When was Laser Tank created?
Laser Tank was created in 1976.
When was Laser Ghost created?
Laser Ghost was created in 1989.
When was Living Laser created?
Living Laser was created in 1966.
When was Laser Snaker created?
Laser Snaker was created in 1983.
When was Laser Quest created?
Laser Quest was created in 1989.
When was Laser Blast created?
Laser Blast was created in 1981.
