What does the symbol mean on the camera app on iPhone? Before going to the guide, this guide focuses on the camera app ...

Almost all digital cameras with interchangeable optics display a symbol that looks like a crossed-out circle. This symbol isn't a contemporary feature but was already seen on film devices.

Right off the bat, we’ll say that this video showing a laser beam stopping in mid-air is nothing but a camera trick. But it’s the trick that’s the hack, and you’ve got to admit that it ...