A new experiment has demonstrated something that sounds physically impossible – light itself casting a shadow. It turns out ...

The interaction between the two light sources created a shadow on a screen that was visible as a dark area where the green laser blocked the blue light.

If you want to switch between different backgrounds within a single video, TikTok allows you to do so. After recording a segment with one background, you can go back to the effects menu, select the ...

The key to good green screen results is to light things evenly, and this is a bit more challenging when working in such a tight space. To deal with this, [Fred] suggests lights that can be easily ...

For the green screen effect, studios could actually use specialized optical filters. They could apply one filter that would ignore a specific wavelength of the color green. Then they could film ...

It was also that year's winner for Best Visual Effects ... This is the blue screen, developed by Lawrence Butler and it looks and works similar to the green screen we use today.