And while we're thrilled to see another minority on People's cover this year (this morning the magazine announced Beyonce as their Most Beautiful woman of 2012!), there's much more Latino beauty in Hollywood than just one.
Oscillograph definition, a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves. See more. Dictionary.com
An electronic oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave. Oscillators convert direct current (DC) from a power supply to an alternating current signal. They are widely used in many electronic devices.