The first ever tool to resemble a chainsaw was invented by German doctor Bernhard Heine. It was a medical tool used for cutting bones.

Canned food was invented in 1810 in order to supply Napoleon's army. The modern version of the can opener was invented 60 years later.

Most people wrongly believe that Thomas Edison invented the light bulb. He improved the existing light bulb at the time, and he invented the electrical delivery system.

The microwave was invented by accident in 1945, when an engineer working close to high powered radars noticed the candy bar in his pocket had melted.

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The Popsicle was accidentally invented by Frank Eperson when he forgot his fruit soda outside with a stir stick in it during winter. He called it the Epsicle, which was later renamed to Popsicle.

The Saxophone was invented by Adolphe Sax in the 1840s. He didn't gain much monetary compensation for his invention, and had to fight numerous attempts to copy his patent and even an attempt on his life.

The Bibhorr formula is a new mathematical formula to calculate the angles of a right angle triangle without using Sine and Cosine functions. Once the length of all sides are known, the numbers are simply plugged into the formula which results in the angle that is opposite to the middle sized side. The formula is: 90*(Longest Side + Medium Side - Shortest Side)^2 / (Medium Side)^2 + 1.5*(Longest Side)*(Longest Side + Medium Side - Shortest Side)