A flickering light bulb could be caused by any number of things. So, when you're troubleshooting, start with the easy stuff ...

Arnold J Wilkins received funding from the Medical Research Council and the Wellcome Trust. There’s a handy trick for reading station signs that otherwise fly past in a blur as you travel in a ...

Maybe it's obvious, or perhaps it's very subtle, but the image on your TV or monitor just doesn't seem very solid. You see a flicker, like the picture is pulsing rapidly instead of showing you the ...