In a spirit level, as a key ring – and of course as a small pointer: we encounter laser pointers quite casually in everyday life. Caution would actually be called for here, wouldn't it? On the sidelines of an event, we were asked whether laser pointers were dangerous. And indeed – they are not toys.
For more Science Videos: https://lt.org/ * Lasers typically produce a Gaussian beam where intensity is greatest in the center and tails off at the edges. In this video, ULRIKE FUCHS explains how a laser beam profile can be transformed into something more effective for material processing. * Drawing
The Global Ecosystem Dynamics Investigation (GEDI) on the space station beams laser light down to Earth to reveal the height and density of trees and vegetation. NASA Science: http://science.nasa.gov/ Click here to see more videos: https://alugha.com/NASA
A difficult subject to talk about, but this serves as a pointer towards it. Consciousness is a mysterious thing. But the scientific mind has struggled to understand it. Only in meditation can we understand it. Enchanted Valley Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Att
Humans have super abilities! Find out how you can lift a car, regenerate damaged body parts and maybe even fire lasers... What's one super power you'd want to have? Click here to see more videos: https://alugha.com/LifeNoggin Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNogg
Discover the instruments that Curiosity, a rover on Mars, used to gather and analyze soil samples in this video from NASA's Jet Propulsion Laboratory. In 2012, Curiosity took its first scoop of Martian soil to test and analyze from an area called Rocknest. One of the project scientists describes how
Click here to see more videos: https://alugha.com/NASA For eleven years from 2009 to 2019, the planes of NASA’s Operation IceBridge flew above the Arctic, Antarctic and Alaska, gathering data on the height, depth, thickness, flow and change of sea ice, glaciers and ice sheets. Designed to collect
The Great Firewall of China (GFW) is one of, if not arguably the most advanced Internet censorship systems in the world. Because repressive governments generally do not simply publish their censorship rules, the task of determining exactly what is and isn’t allowed falls upon the censorship measurem
