Tag Archives: light

ESOcast 82: Zodiacal Light

The Atacama Desert in northern Chile is famed for its dark night skies, which can be enjoyed in their full glory thanks to the absence of light pollution. But even the darkest sky is not completely dark. Astronomers at ESO’s observatories often encounter a natural light phenomenon above ESO’s telescopes known as the zodiacal light.… Read More »

Zodiacal Light Explained

the Attic ama Desert in northern Chile is famed for its dark night skies which can be enjoyed in their full glory thanks to the absence of light pollution but even the darkest sky is not completely dark astronomers at esos observatories often encounter and natural light phenomenon above those telescopes known as the zoo… Read More »

How to Make a Star Wars Led Acrylic Edge Light Sign

Hi guys in this video I’m going to show you how to make this fantastic led Star Wars sign The materials that I’ve used are: An A4 sheet of clear acrylic. This is 3mm thick which is about one eighth of an inch. An A4 sheet of gloss black acrylic, again 3mm thick. A yellow… Read More »

The Physics Show – Infrared Light, Astronomy and SOFIA

Welcome, you are watching a Physics Show video! We are going to show you a neat demonstration using infrared light. We have a heating element, like the one on an electric stove, or in a toaster, in front of a special mirror. Now we’ll swing around our equipment to show you a second mirror. In… Read More »

SENZEAL Aquarium Light X5 – VIRGO Review

Hello everyone. last month i get a package form Senzeal.com and they want me to review their product. so let me show you the fottage. this is the package. and let’s open it. let’s see what we got here. it is an aquarium light. it’s cool tough they use bubble warp in the package. let… Read More »

Have astronomers disproved the Big Bang?

If there’s a question that you guys never expected me to ever ask, it might be “have astronomers disproved the Big Bang?” And I understand why you might think that. After all, in my videos, I describe what scientists know about the most cutting-edge topics in physics research. So, perhaps I should be up front… Read More »

Dark Energy – 60 Second Adventures in Astronomy (9/14)

60-Second Adventures in Astronomy. Number 9: Dark Energy. Why is the universe expanding? Albert Einstein was absolutely certain the universe was stable but he couldn’t work out why his snazzy new relativity equations suggested it was contracting, so Einstein figured space must have an inbuilt tendency to fling itself apart, which would balance out the… Read More »

Dark Matter – 60 Second Adventures in Astronomy (8/14)

60-Second Adventures in Astronomy. Number 8: Dark Matter. What’s the matter with dark matter? Fritz Zwicky was a Swiss astronomer who could probably get you 81 points on a triple word score in Scrabble. In the 1930s he noticed that galaxies within clusters were zooming around far quicker than their mass would logically dictate, so… Read More »

Light: Crash Course Astronomy #24

Hey, Phil Plait here and this is Crash Course Astronomy. In last week’s episode, I mentioned that nearly all the information we have about the Universe comes in the form of light. But how does that light get made? What can it tell us about these astronomical objects? And honestly, what is light? Here’s a… Read More »