The phonograph and radio had been invented in the late eighteen hundreds.

VOA: special.2009.02.08

One early submission is a dice game made of scrap material by an inmate who also included detailed, handwritten instructions on how to play the game he invented in his cell.

VOA: standard.2009.10.21

He and another researcher at the Fox Chase Cancer Center in Philadelphia,Irving Millman, invented the vaccine in nineteen sixty-nine.

VOA: special.2011.05.25

Others say Edward O'Reilly invented the character in stories he wrote for The Century Magazine in the early nineteen hundreds.

VOA: special.2009.11.28

During his lifetime, he invented hundreds of devices that were used in telephones, shortwave radio broadcasts, and similar technology.

VOA: special.2010.01.31

Kevlar might not have been invented had Stephanie Kwolek been able to seek a career in medicine.

VOA: special.2010.02.09

In the late nineteen fifties he invented the eight-track recording method known as multi-track recording.

VOA: special.2009.09.27

Cowboys may have invented the stories. Others say Edward O'Reilly invented the character in stories he wrote for The Century Magazine in the early nineteen hundreds.

VOA: special.2011.06.11

He invented the solid body electric guitar in nineteen forty-six.

VOA: special.2010.05.12

I'm child of the Columbia Space Shuttle, and I need to know all the electronic gimmicks invented yesterday that are already primitive cousins to those developed today from eight to five P.M.in Japan.

VOA: special.2009.04.27

In his career of more than 75 years, Les Paul earned 22 gold records, designed a revolutionary guitar, and invented countless techniques that are used by musicians in recording studios today.

VOA: standard.2009.08.14