Optical Disc
An optical disc is a type of storage media that uses laser technology to read and write data. It consists of a flat, circular disc made of plastic or glass, with a reflective surface that stores data in the form of tiny pits and lands. The disc is read by a laser beam that reflects off the surface of the disc and detects changes in the reflection caused by the pits and lands. Optical discs are commonly used for storing digital data, such as music, movies, and computer software. They are also used for archival storage of important data, as they have a long lifespan and are resistant to damage from water, dust, and scratches.
Your Previous Searches
Random Picks
- Thin Film: In space and astronautical engineering, Thin Film refers to a layer of material that has a thickness ranging from a few nanometers to several micrometers. Thin films are used in various applications such as coatings, solar cells, sensors, a ... Read More >>
- Radiation Testing: Radiation testing is the process of evaluating the effects of radiation on spacecraft and their components. This includes testing for the effects of ionizing radiation, such as gamma rays and cosmic rays, as well as non-ionizing radiation, ... Read More >>
- Sound Waves: In the context of space and astronautical engineering, sound waves refer to the propagation of mechanical vibrations through a medium, such as air or water, that can be detected by the human ear. In space, there is no medium for sound waves ... Read More >>
Top News
Can Amazon's soon-to-launch Kuiper satellites rival Musk's Starlink?...
Amazon is aiming to launch its first operational satellites today to provide speedy internet connections in remote regions, but it will still take some time to catch up with its main competitor, Space...
News Source: New Scientist on 2025-04-09
A day at Uranus just got 28 seconds longer...
A day at Uranus just got a little longer...
News Source: ABC News on 2025-04-07
SpaceX's Fram2 returns from first-of-its-kind mission around Earth's poles...
The Fram2 mission, paid for and led by a cryptocurrency billionaire who is flying with three guests, has returned after a journey on a unprecedented polar orbit....
News Source: CNN on 2025-04-04
Scientists release plans for an even bigger atom smasher to address the mysterie...
GENEVA — Top minds at the world’s largest atom smasher have released a blueprint for a much bigger successor that could vastly improve research into the remaining enigmas of physics....
News Source: NBC News on 2025-04-01
Scientists release plans for even bigger atom smasher along the French-Swiss bor...
Scientists at the world’s largest atom smasher have released a blueprint for a much bigger successor that could help solve enigmas of physics, starting in the mid-2040s at a cost of about $16 billio...
News Source: ABC News on 2025-04-01