Tag: radioactive

This is one of the more interesting videos about radiation that I’ve seen. Veritasium compares different radioactive sites around the world with each other. Stay to the end of this video, because well…if you smoke, you’re f*cked.

Some old camera lenses are radioactive

According to PetaPixel, some old camera lenses used by photographers are actually radioactive due to their use of lanthanum and thorium to reduce the index of refraction. Of course, nowadays, you can just grow the perfect glass.