Search Results: Radon measure

Protagoras of Abdera (l.c. 485-415 BCE) is most famous for his claim that "Of all things the measure is Man, of the things that are, that they are, and of the things that are not, that they are not" (DK 80B1) usually rendered simply...

Protagoras of Abdera (l. c. 485-415 BCE) is considered the greatest of the Sophists of ancient Greece and the first philosopher in the West to promote Subjectivism, arguing that interpretation of any given experience, or anything whatsoever...

The Scientific Revolution (1500-1700) was driven by several key inventions, all scientific instruments that became essential to achieving a greater understanding of the world around us. With instruments like the telescope, microscope, thermometer...

The thermometer was invented in the mid-17th century during the Scientific Revolution when scientists began to search for an accurate instrument to measure a wide range of temperatures using a scale that could be compared with other readings...

John Harrison (1693-1776) invented an accurate marine chronometer after several decades of research and development. While the pendulum clock had already been invented in the 17th century, a clock that could withstand the vagaries of the...

Keeping good time proved an elusive objective for centuries, and it was only in the second half of the 17th century, during the Scientific Revolution (1500-1700), that clocks were made which lost seconds rather than minutes each day. The...

The Scientific Revolution (1500-1700), which occurred first in Europe before spreading worldwide, witnessed a new approach to knowledge gathering – the scientific method – which utilised new technologies like the telescope to observe, measure...

The astrolabe is an astronomical instrument used from around the 6th century to measure time and position by determining the altitude of heavenly bodies like the Sun and certain stars. Measurements were taken in reference to the viewer's...

Tiye (also known as Tiy, 1398-1338 BCE) was a queen of Egypt of the 18th dynasty, wife of the pharaoh Amenhotep III, mother of Akhenaten, and grandmother of both Tutankhamun and Ankhsenamun. She exerted an enormous influence at the courts...

Batavian revolt was a rebellion of the Batavians against the Romans in 69-70 CE. After initial successes by their commander Julius Civilis, the Batavians were ultimately defeated by the Roman general Quintus Petillius Cerialis. The year...