A South Korean startup has designed a light bulb that has a camera inside. The camera, called Tovnet, is WiFi enabled and has an app so users can check their feed in real-time. Some Facebook users ...

In the United States, light bulbs operate at 60 Hz. In most of the rest of the world, they operate at 50 Hz. The human eye can't tell the difference, but a camera can. Because of this discrepancy ...

Let's say you have gone on a vacation halfway around the world and have shot tons of video to commemorate that trip. You return home and notice that many of the videos shot indoors with LED lights ...