Everyone has heard that mitochondria are the powerhouse of the cell. Well, the central processing unit (CPU) is the powerhouse of the computer. It's the brain, and without a CPU in your computer, ...

Fire up the 2013 remix of the Eagles "Desperado". Listen to the beat: That's 60 beats per minute, or to an engineer, 1 Hertz (Hz). Lady Gaga's "Just Dance" is around twice that. It sounds fast, but ...