What does ET stand for?

Educational technology is not restricted to high technology.

Electric toothbrushes can be classified according to the frequency (speed) of their movements as power, sonic or ultrasonic toothbrushes, depending on whether they make movements that are below, at or above the audible range (20–20,000 Hz or 2400–2,400,000 movements per minute), respectively.

It was announced on January 30, 2006, that Entertainment Tonight was renewed through the 2011–2012 season, which was the show's 30th season.

In equal temperament tunings, an interval – usually the octave – is divided into a series of equal steps (equal frequency ratios between successive notes).

All four canonical gospels report the incident with significant variations.

Starting in the 20th century, Uyghur separatists and their supporters used East Turkestan (or "Uyghurstan") as an appellation for the whole of Xinjiang, or for a future independent state in present-day Xinjiang Uyghur Autonomous Region (presumably with Ürümqi as its capital).

Places that use Eastern Standard Time (EST) when observing standard time (autumn/winter) are 5 hours behind Coordinated Universal Time (UTC?05:00).

Most of the following sections relate to the ephemeris time of the 1952 standard.

Some of the oldest evidence for modern humans is found in Ethiopia,[9] which is widely considered the region from which Homo sapiens first set out for the Middle East and points beyond.

Evertz held an initial public offering in June 2006 and raised $67 million CAD, listing its stock on the Toronto Stock Exchange.

A central authority (usually a governmental body) sets a limit or cap on the amount of a pollutant that may be emitted.