August 9, 2017

What’s the difference between a piano and a pianoforte? And is the harpsichord really a piano? Obviously, these are all instruments with keyboards and strings within. But is that trait the only similarity?

Piano Versus Pianoforte

The name sounds similar, sure, but are th...

August 2, 2017

EARLY STAGE LIGHTING

 Stage lighting design is probably as old as formalized theatre. The early Greeks built their theatres as open air spaces and orientated them in relation to the sun, so as to use natural light for stage lighting. They would present their plays at di...

July 26, 2017

Of course! And you can thank Marvin Middlemark for the invention of the “rabbit ears” or the “V” TV antennae. Of course, most Millennials reading this might not know what this refers to so here’s a brief description. "Back in the day", way before flat screen TVs and wh...

July 19, 2017

Research on recording video on tape was begun in the early 1950's, and Bing Crosby Enterprises demonstrated a prototype system in 1951 that ran at 100 inches/second and had 16 minutes per reel. But the quality was poor. RCA demonstrated a better system in 1953, but it...

July 12, 2017

Channel surfing was born more than six decades ago. The first TV remote control, called the “Lazy Bones,” was developed in 1950 by Zenith (then known as Zenith Radio Corporation and now a wholly owned subsidiary of LG Electronics USA).

The Lazy Bones used a cable that r...

July 5, 2017

Inspired by the telegraph and photography, many 19th century inventors sought ways to capture, transmit, and view images by electricity. One of the most influential inventors was Paul Nipkow (1860-1940), who in 1884 proposed a striking new way to translate a visual ima...

June 28, 2017

Elisha Gray was an American electrical engineer who co-founded the Western Electric Manufacturing Company. Gray is best known for his development of a telephone prototype in 1876 in Highland Park, Illinois. Some recent authors have argued that Gray should be considered...

June 21, 2017

In 1956 Charles P. Ginsburg and Ray Dolby of Ampex Corporation, a U.S. electronics firm, developed the first practical videotape recorder. Their machine revolutionized television broadcasting; recorded shows virtually replaced live telecasts with a few exceptions, such...

June 14, 2017

The phonograph is a device, invented in 1877, for the mechanical recording and reproduction of sound. In its later forms, it is also called a gramophone, or, since the 1940s, a record player. The sound vibration waveforms are recorded as corresponding physical deviatio...

June 7, 2017

Guglielmo Marconi,  is popularly known as “the inventor of radio,” a mischaracterization that critics and supporters of his many rivals are quick to seize upon. Marconi was actually the first person to use radio waves to communicate. His first patent was for “Improveme...

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