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Jack Kerry: The Voice Of Greyhound, 1962 45rpm record: A Message To Drivers

7 min · 15. okt. 20197 min
episode Jack Kerry: The Voice Of Greyhound, 1962 45rpm record: A Message To Drivers cover

Beskrivelse

This is Jack Kerry, the Voice of Greyhound. He started recoding 1950s. This is a 45rpm record distributed to the drivers in the 1962 called "A Message to Drivers”. Jack’s voice became a audio trademark for the brand and is one of the first uses of recorded voices used in this manner.

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episode Voyager Captures Sounds Of Interstellar Space cover

Voyager Captures Sounds Of Interstellar Space

NASA's Voyager 1 spacecraft captured these sounds of interstellar space. Voyager 1's plasma wave instrument detected the vibrations of dense interstellar plasma, or ionized gas, from October to November 2012 and April to May 2013. The soundtrack reproduces the amplitude and frequency of the plasma waves as "heard" by Voyager 1. The waves detected by the instrument antennas can be simply amplified and played through a speaker. These frequencies are within the range heard by human ears. Scientists noticed that each occurrence involved a rising tone. The dashed line indicates that the rising tones follow the same slope. This means a continuously increasing density. When scientists extrapolated this line even further back in time, they deduced that Voyager 1 first encountered interstellar plasma in August 2012.

13. okt. 20191 min