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The early Newcomen steam engine was about 0.5% efficient and was improved to slightly over 1% by John Smeaton before Watt's improvements, which increased thermal efficiency to 2%. In 1900, it took 7 lbs coal/ kw hr. Electrical generation was the sector with the highest productivity growth in the U.S. in the early twentieth century.
Technology's central role in our lives has drawn concerns and backlash. The backlash against technology is not a uniform movement and encompasses many heterogeneous ideologies. [117] The earliest known revolt against technology was Luddism, a pushback against early automation in textile production.
Technology Connections is an American YouTube channel covering the history and mechanics of consumer electronics, home appliances, and other pieces of technology, created by Alec Watson of Chicago, Illinois. Subjects of focus include transportation, [3] HVAC, refrigeration, photography, and home audio and video, among others. The channel, which ...
The importance of stone tools, circa 2.5 million years ago, is considered fundamental in the human development in the hunting hypothesis. [citation needed]Primatologist, Richard Wrangham, theorizes that the control of fire by early humans and the associated development of cooking was the spark that radically changed human evolution. [2]
Technological change (TC) or technological development is the overall process of invention, innovation and diffusion of technology or processes. [1] [2] In essence, technological change covers the invention of technologies (including processes) and their commercialization or release as open source via research and development (producing emerging technologies), the continual improvement of ...
Technological convergence is the tendency for technologies that were originally unrelated to become more closely integrated and even unified as they develop and advance. For example, watches, telephones, television, computers, and social media platforms began as separate and mostly unrelated technologies, but have converged in many ways into an interrelated telecommunication, media, and ...
The relationship between education and technology has emerged as a pivotal aspect of contemporary development, propelled by rapid expansion. internet connectivity and mobile penetration. [1] Our world is now interconnected, with approximately 40% of the global population using the internet, a figure that continues to rise at an astonishing pace ...
The YouTube video Innocence of Muslims (2012), produced privately within the United States, was interpreted by some Muslims as blasphemous in its mocking of Muhammad, and spurred protests and related anti-American violence internationally despite official condemnation of the video by U.S. government officials. [48]