Technologies

The earliest stone tools had been little more than a fractured rock, but roughly 75,000 years in the past, pressure flaking offered a way to make much finer work. The time period "know-how" rose to prominence within the twentieth century in reference to the Second Industrial Revolution. This article is about the use and data of methods and processes for producing items and companies.

Optimistic assumptions are made by proponents of ideologies such as transhumanism and singularitarianism, which view technological improvement as typically having useful results for the society and the human condition. ) with the harnessing of electrical energy to permit such improvements as the electrical motor, gentle bulb, and countless others. Scientific advances and the invention of latest ideas later allowed for powered flight and developments in medicine, chemistry, physics, and engineering. The rise in know-how has led to skyscrapers and broad urban areas whose inhabitants depend on motors to move them and their meals provides. Communication improved with the invention of the telegraph, phone, radio and tv. The late-nineteenth and early-twentieth centuries saw a revolution in transportation with the invention of the airplane and car.

For the manufacture and design of the means of transportation, see aerospace business; automotive trade; ship building. For communications know-how, see broadcasting; pc science; information processing; pictures; printing; photoengraving; typography; telecommunication. For the processes and merchandise of different manufacturing industries, see adhesive; clothing and footwear industry; dye; explosive; flooring overlaying; forestry; chemical business; man-made fibre; surface coating; papermaking; cleaning soap and detergent; textile. For medical purposes of know-how, see analysis; therapeutics; drug; medicine, historical past of; pharmaceutical business. For therapy of the organization of technological systems, see automation; engineering; manufacturing system; techniques engineering; work, historical past of the organization of.

The distinction between science, engineering, and technology just isn't always clear. Science is systematic data of the physical or material world gained via remark and experimentation. Technologies aren't often exclusively merchandise of science, as a result of they need to satisfy necessities similar to utility, usability, and security.

Some critics see these ideologies as examples of scientism and techno-utopianism and fear the notion of human enhancement and technological singularity which they support. Estimates for the date of this Singularity range, however prominent futurist Ray Kurzweil estimates the Singularity will occur in 2045. Transhumanists usually believe that the purpose of know-how is to beat barriers, and that what we commonly refer to as the human situation is simply another barrier to be surpassed.

Inspire your inbox –Sign up for every day enjoyable information about this day in history, updates, and particular presents. Be on the lookout for your Britannica e-newsletter to get trusted tales delivered proper to your inbox. Know in regards to the evolution of automobiles over timeThe revolution in the car trade from the early years to now with greener, electric, excessive-know-how cars. The earliest recognized use of wind power is the sailing ship; the earliest document of a ship underneath sail is that of a Nile boat relationship to the 8th-millennium BCE. From prehistoric times, Egyptians in all probability used the ability of the annual flooding of the Nile to irrigate their lands, gradually studying to manage a lot of it by way of purposely built irrigation channels and "catch" basins.