Voyager 2 shuts off one of its five remaining instruments to preserve power. Plus, on This Day in History; an extended look at the history of the first synthetic soap and its successor – a massive brand name that’s still dominating the market today – some 90 years later.

NASA shut off a Voyager 2 tool to save power | Popular Science (popsci.com)

NASA Turns Off Iconic Voyager 2 Instrument As Space Probe Loses Power | IFLScience

NASA Turns Off Science Instrument to Save Voyager 2 Power | NASA Jet Propulsion Laboratory (JPL)

Development of Tide Synthetic Detergent - American Chemical Society (acs.org)

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