There is no known individual who invented the hammer because hammers have been used for centuries. There are records from Ancient Rome and the Middle Ages that discuss hammers and their usage.Continue Reading
The term "hammer" includes a wide variety of tools that are used for striking objects. The most well-known type of hammer is a carpenter's hammer, which has a claw on one end. This type of hammer likely developed during Roman times.
Other types of hammers include blacksmith's hammers, machinist's ball peen hammers, stone hammers, bricklayer's hammers and tack hammers. Each of these types varies in size and weight, depending on its purpose. A pounder, or hammerstone, was likely the first hammer to have a handle.Learn more about Inventions
The history of electronics began in the late 19th and early 20th centuries with technological improvements within the telegraph, radio and phone industries, although the term electronics did not begin to be used until the 1940s. The development of electronics eventually led to the use of modern technology such as computers and microprocessors.Full Answer >
The first use of numbers and counting cannot be traced to one specific individual in ancient times. It is unknown because learning to count is a discovery and not an invention. It is believed that numbers and counting were first used almost 32,000 years ago.Full Answer >
Gregor Mendel discovered three principles of heredity: that the inheritance of each trait or "gene" is determined by the units that are passed down via descendants unchanged, that an individual will get one unit from each of their parents for each trait and that a trait may not show up in one individual yet it can still be passed on to a descendant. Mendel is known as the father of genetics, which is the study of understanding what happens in the transfer of genes from parents to children.Full Answer >
The discovery of biomass cannot be linked to a specific individual; the earliest humans used biomass from wood to create fire for cooking and warmth. Biomass is the material from living things that is used to create energy.Full Answer >