An unknown inventor patented the first deodorant in 1888, called Mum. It was thick and waxy, hard to put on and difficult to remove. In 1903, Everdry hit the market in the United States. It was the first trademarked deodorant.
By the 1950s, the aerosol spray can came into play. Over 80 percent of deodorants on the market used this technology by the 1970s. However, governments in the US and the EU became increasingly concerned over the effects of harmful chemicals in cosmetics, so a ban was placed on ingredients in aerosols such as aluminum zirconium complexes. Today deodorant is a huge enterprise with thousands of brands on the market.Learn More
Claudius Ptolemaeus, who lived around 100 to 178 A.D. and is more popularly known as Ptolemy, is believed to have invented the first world map. However, cave paintings and ancient maps that pre-date Ptolemy are considered attempts to create maps to help people define and navigate the world.Full Answer >
Charles F. Brush of Cleveland, Ohio, was the first person to use wind to power energy sources in the winter of 1887. He used the wind turbine around his home to power cellular batteries that were in the basement of his mansion, creating the first recorded electrical use of wind power.Full Answer >
Walter Sammons invented an improved version of the standard comb for enhanced hair straightening, and he received the patent for the heated comb to aid in removing kinks from hair. Sammons, from Philadelphia, received this patent, number 1,362,823, on Dec. 21, 1920. Sammons lived from 1890 until 1973.Full Answer >
The invention of the first tablet PC, or personal computer, is credited to three men: Alan Kay, Steve Jobs and Bill Moggridge. Computer specialist Kay created the concept for the tablet PC in the early 1960s, which he called the Dynabook, but need technical expertise to build the product. Technical enthusiast Jobs analyzed Kay’s product in the 1970s, and lent a hand in determining the components needed to build the machine.Full Answer >