InventorSpot

Why Was the Chainsaw Invented? The Surgical Tool It Came From

The first chain saw was built in the 1780s to cut through the pelvis during obstructed childbirth. The link to the timber chainsaw is real, but…

Why Was Air Conditioning Invented? To Stop Paper From Swelling

Air conditioning was built in 1902 to keep paper stable at a Brooklyn printing plant, not to cool people. The patent that founded the industry b…

When Was the Telescope Invented? The 1608 Patent That Was Denied

The first written record of a telescope is a Dutch patent application dated 2 October 1608. It was rejected because the device was already too w…