Engineering
Since the COVID-19 pandemic began, more companies have offered remote work options for their employees, or have even switched to working entirely remotely—leaving empty office buildings a new fixture in many cities. In ...
Jul 14, 2023
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2
Robotics
The air taxi market is almost ready for take off, with companies such as Boeing, Hyundai, Airbus and Toyota building fleets to have commuters flitting through the sky. Europe and the U.S. have both drafted new rules to pave ...
Jun 20, 2023
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21
Engineering
Densely packed housing makes urban areas vulnerable to overheating, pollution and dangerous wind gusts. The effects of climate change can aggravate these problems, but we can also work to prevent them. This can be done by ...
Jun 14, 2023
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6
Business
Cryptocurrency transactions may be costing more than just transaction fees. The electricity used for these transactions is more than what some countries, like Argentina and Australia, use in an entire year.
May 22, 2023
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15
Energy & Green Tech
With potential high density, low cost and a nature-friendly makeup, zinc-air batteries are touted to be the future of many energy devices.
May 9, 2023
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3
Energy & Green Tech
They were long derided as old-fashioned symbols of grinding poverty, but mud and straw houses are making a comeback in Hungary as a low-cost, eco-friendly alternative to concrete.
Feb 16, 2023
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13
Consumer & Gadgets
Soaring energy costs are a major factor in Australia's cost-of-living crisis. The conventional wisdom is people will reduce their energy use in response to rising prices—and this may be the case for the most vulnerable ...
Feb 15, 2023
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11
Energy & Green Tech
Food loss and waste are major problems around the world. When food is tossed aside or allowed to spoil, it makes economies less productive and leaves people hungry.
Jan 19, 2023
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8
Consumer & Gadgets
At the CES tech megashow in Las Vegas, it is unusual to see an entrepreneur hold up a plant and present it as the latest breakthrough in consumer technology.
Jan 7, 2023
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34
Automotive
Volkswagen's new boss Oliver Blume will seek to rally the board and shareholders at back-to-back meetings from Thursday to support his strategy on a crucial automotive software that felled his predecessor.
Dec 15, 2022
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Air conditioning refers to the cooling and dehumidification of indoor air for thermal comfort. In a broader sense, the term can refer to any form of cooling, heating, ventilation or disinfection that modifies the condition of air. An air conditioner (often referred to as AC or air con.) is an appliance, system, or mechanism designed to stabilise the air temperature and humidity within an area (used for cooling as well as heating depending on the air properties at a given time), typically using a refrigeration cycle but sometimes using evaporation, most commonly for comfort cooling in most buildings and motor-cars.
The concept of air conditioning is known to have been applied in Ancient Rome, where aqueduct water was circulated through the walls of certain houses to cool them. Similar techniques in medieval Persia involved the use of cisterns and wind towers to cool buildings during the hot season. Modern air conditioning emerged from advances in chemistry during the 19th century, and the first large-scale electrical air conditioning was invented and used in 1902 by Willis Haviland Carrier.
This text uses material from Wikipedia, licensed under CC BY-SA
