The first tuba was invented by Edme Guillaume in 1590. It was made of wood and leather. The modern tuba is the creation of Wilhelm Wieprecht and Johann Gottfried Moritz in 1835. More »

A typical full-size orchestral tuba weighs 25 to 35 pounds. The player does not need to hold up the heavy instrument without assistance. The chair the musician sits in supports the tuba's weight. More »

The largest brass instrument is the tuba. It is also the lowest in pitch. Because of its low tone, the tuba serves as the bass in the brass section of orchestras and other musical groups. More »

Galileo Galilei was an Italian astronomer and physicist who worked as a lecturer in 1589 at the University of Pisa. From 1592 to 1610, he worked at the University of Padua. More »

Duct tape, also known as duck tape, was invented between 1943 and 1945 by the Revolite division of the American company Johnson and Johnson. It was initially invented as a means to provide a waterproof seal on ammunition... More » History Inventions

Plant extracts containing the active ingredient in aspirin have been used medicinally since at least 400 B.C., but the modern drug known as aspirin was first developed and patented by Bayer, a German pharmaceutical compa... More » History Inventions

Sir Francis Bacon's greatest contribution was developing the Baconian method, also known as empiricism and the scientific method. Coupled with his belief that knowledge and science are to be used for the relief of humani... More »