Daniel Hanley received funding from the National Geographic Society. Vera Vasas does not work for, consult, own shares in or receive funding from any company or organization that would benefit from ...

When it comes to appearances, the universe is a tricky place. Visible light occupies merely a sliver of the electromagnetic (EM) spectrum. To study the cosmos in its entirety, scientists must peer ...

How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...

It's not easy being green. Scientists for years have made small red and blue lasers, but other colors, including green, have been a challenge. A team has now filled this technology gap by creating ...

Seven different vials are shown against a black background, each glowing a different color. From left to right, the vials are red, orange, yellow, green, blue, purple, and magenta. Quantum dots are ...