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black innovators of america african american innovations technological …

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black innovators of america
african american innovations
technological innovations made by black americans have had a great impact, becoming part of everyday life as we know it in the united states.
refrigerated trucks (frederick mckinley jones, 1940)
frederick mckinley jones invented a cooling system for trucks that enabled the transportation of perishable goods, revolutionizing food distribution and wartime logistics.

  • jones created the first refrigerated truck, allowing goods to be transported long distances while staying cold in transit.
  • his invention had a significant impact on grocery stores, expanding the availability of fresh meat and frozen food.
  • during world war ii, jones refrigerated trucks were crucial for transporting food, medical supplies, and blood to support the war effort.

improvements to the light bulb (lewis latimer, 1881 - 1882)
lewis latimer made advancements in electric lighting by developing improvements to light bulb filaments and the manufacture of carbon filaments. he received patents for these innovations in 1881 and 1882, respectively.

  • latimer invented a way of making carbon filaments that were more reliable, which allowed them to be mass - produced.
  • although he did not initially work for thomas edison, latimer later joined the edison electric light company and helped to improve the bulbs life.
  • latimers work helped expand the availability and make it more widely accessible.

what was one effect of frederick mckinley joness refrigerated truck?
it allowed perishable foods to be more widely available in stores
it allowed drivers to remain comfortable and safe driving in hot weather
it allowed trucks to drive longer distances without overheating

Explanation:

Brief Explanations

Frederick McKinley Jones' refrigerated truck enabled the transportation of perishable goods. This led to more widespread availability of such foods in stores as they could be transported long - distances while staying cold.

Answer:

It allowed perishable foods to be more widely available in stores