The shortest wavelengths we can see give us the color violet, while the longest wavelengths give us red. There are also lots of wavelengths we can’t see, which create colors we can’t even imagine.

In truth, I can no more describe what the universe would look like if we could see all the wavelengths ... rays have the highest energy and the shortest wavelength. Most often, they are ...

So, when we see both red and blue in one place ... The problem is, the shortest wavelengths our cones can detect in the violet spectrum have no overlap with the longest ones in the red.

Once only a part of science fiction, lasers are now everyday objects used in research, health care and even just for fun.

Gear-obsessed editors choose every product we ... wavelengths are real, as the Sun’s ultraviolet (UV) radiation is the reason you need to wear sunscreen, even though you can’t see those ...

Plus, when we’re looking at the cosmos, astronomers use wavelengths of light that our eyes can’t even see (e.g. infrared ... routine is to use blue for the shortest wavelengths, green for ...