What causes Blood Moons? The same thing that makes skies blue


New, revolutionary metalens focuses entire visible spectrum into a single point

If you want to create a functioning metalens, you need to design a maze for light.

Dutch researchers demonstrate 42.8 gbps connection using Li-Fi. It’s 100 times faster than the best Wi-Fi

It uses infrared light instead of radio waves to transfer data.

View our galaxy in different wavelengths – chromoscope

This time I’m just going to present you with a little site I stumbled across that allows you to take a look at our galaxy, the Milky Way, in different wavelengths. Great stuff. Here is the link.