If you're new to iPad, Apple recently opened up the Lock Screen to a wealth of personalization options not seen before. iPad users can change not only the wallpaper but also the clock font and color, ...

At the heart of all computers is a clock, a dedicated timepiece ensuring that all of the parts of the computer are synchronized and can work together to execute the instructions that the computer ...

Before today, we probably would have said that scratch-built relay computers were the sole domain of only the most wizardly of graybeards. But this impressive build sent in by [Will Dana] shows that ...