The concept of holographic storage dates back to the 1960s, when laser was invented. It is a method of recording data in the form of holograms or three-dimensional images inside an object using light. Holographic storage uses green lasers to write data pages. These pages have hundreds of kilobytes of data in the form of a hologram. Thank you for watching our video! You can subscribe to our channel here: https://bit.ly/3c8Adi6 Visit https://www.thehindu.com/ for the latest updates, analysis, opinions, and more. The Hindu is committed to keeping you up-to-date with information on the developments in India and the world. We promise to deliver quality journalism that stays away from vested interest and political propaganda. You can support us by subscribing to our digital offerings here: https://bit.ly/3emywiz Follow us: Twitter: https://twitter.com/the_hindu Instagram: https://www.instagram.com/the_hindu/