Colston Howell

Colston Howell

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The first radio signal was sent and recieved in 1895 in Italy by Guglielmo Marconi Marconi, however it became widely used the creation of crystal radios which were very easy to use and make at home.

This is a crystal radio which was among one of the first radios to be made. This radio allowed people to join the newly founded radio craze because they were easy to make at home.

The air conditioning unit was first invented in 1902 by Willis Carrier, it was first invented to cool down his printing plant and not for human comfort however in the 1920s this unit attained widespread use in households across the western world.

In Willis Carrier, a young engineer at the Buffalo Forge Company in Buffalo, N., invented the first modern air conditioning, to cool a printing plant.

Artificial Insulin was invented, or rather discovered by Sir Frederick Banting and his assistant Charles Best. The artificial insulin was used to treat diabetes, which is a resistance to the insulin your body produces. Before this invention diabetes was basically a death sentence.

Diet for Diabetes: Warner’s Safe Diabetes Remedy,. - From the Hands of Quacks