#622 What is the difference between DVD and Blu-Ray?
What is the difference between DVD and Blu-Ray? Their age, size, quality, audio, and the disc reading technology. DVD is an older technology than Blu-Ray. The technology used to read…
What is the difference between DVD and Blu-Ray? Their age, size, quality, audio, and the disc reading technology. DVD is an older technology than Blu-Ray. The technology used to read…
Photo by Pixabay: https://www.pexels.com/photo/assorted-color-laser-lights-417458/ How does a laser work? By focusing light into a narrow beam. LASER is actually an acronym, and it stands for Light Amplification by Stimulated Emission…
I learned this today. The energy from the photons in a laser beam can be used to propel a very light sail into space. A laser powered solar sail could…