Most of the light that streams to our eyes appears white or yellowish, but light, part of the electromagnetic spectrum, actually contains several wavelengths, which the human eye sees as different ...

If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the ...

Learn about color and how to create a spectroscope using simple materials. What is color? Learn about light and wavelengths and what creates color in this episode of Camp GPB. Then learn how to build ...

Sunlight reaches the earth as white light, which is made up of all the rainbow colors. Rainbow colors are red, orange, yellow, green, blue, indigo, and violet. It is easy to remember them by using the ...

Here at Hackaday, we love to see projects re-visited and updated after we’ve covered them on the site. It’s always exciting to see what the creators come up with next, and this Pi-Based Spectrometer ...

ANOTHER point was also very obvious to those who are familiar with these inquiries, namely, that if these prominences really consisted of gas, by the use of a powerful spectroscope it was perfectly ...

THIS volume contains a fair amount of information useful to those wishing to purchase and set up spectroscopic apparatus for chemical research, but it seems to us to be ill-assorted and indifferently ...

Two recent events – one legal and the other technological – have brought asteroid mining a step closer to reality. The legal development came about when the Senate Commerce, Science and Transportation ...

The fate of the universe hinges on the balance between matter and dark energy: the fundamental ingredient that drives its accelerating expansion. New results from the Dark Energy Spectroscopic ...

Amateur solar observing has an exciting new tool. The Lhires Lite spectroscope breaks sunlight into a rainbow of colors crossed by dark lines. For two centuries, professional astronomers have used ...