Shots – Health News

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The discovery and utilization of fire, a simple energy source with many profound uses, was a turning point in the technological evolution of humankind. Herbert Marcuse and John Zerzan suggest that technological society will inevitably deprive us of our freedom and psychological health. Technologies have contributed to human welfare through increased prosperity, improved comfort and quality of life, and medical progress, but they can also disrupt existing social hierarchies, cause pollution, and harm individuals or groups. Continuing improvements led to the furnace and bellows and provided, for the first time, the ability to smelt …

April 8, 2023 seldone

Shots – Health News

National Institute of Standards and Technology

The Middle Paleolithic, approximately 300,000 years ago, saw the introduction of the prepared-core technique, where multiple blades could be rapidly formed from a single core stone. The Upper Paleolithic, beginning approximately 40,000 years ago, saw the introduction of pressure flaking, where a wood, bone, or antler punch could be used to shape a stone very finely. By the mid-twentieth century, humans had achieved a mastery of technology sufficient to leave the surface of the Earth for the first time and explore space. At the same time, this new technology replaced other medical devices and …