Five ways to cool cities as temperatures soar
As Australia heads into an El Niño summer, UNSW's Dr. Negin Nazarian, an expert in urban climate, explains five crucial strategies to keep cities—and people—cooler.
Nov 16, 2023
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As Australia heads into an El Niño summer, UNSW's Dr. Negin Nazarian, an expert in urban climate, explains five crucial strategies to keep cities—and people—cooler.
Nov 16, 2023
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The pollution caused by the textile industry is often discussed, but its impact on health is less emphasized. Nevertheless, the petrochemical compounds used in the manufacturing of our clothes have harmful effects on workers, ...
Nov 16, 2023
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Gears are common machine components used in many engineered systems, such as automotive vehicles, aircraft engines, automation and robotic systems and more.
Nov 15, 2023
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Amidst the ongoing surge in demand for microelectromechanical systems (MEMS), wearable/implantable electronics, miniaturized portable devices and the Internet of Things, the pursuit of piezoelectric materials has become a ...
Burning of natural gas at oil and gas wells, called flaring, is a major waste of fossil fuels and a contributor to climate change. But to date, capturing the flared natural gas, estimated at some 140 billion cubic meters ...
Nov 14, 2023
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Rubber-like materials, commonly used in dampeners, possess a unique property known as dynamic viscoelasticity, enabling them to convert mechanical energy from vibrations into heat while simultaneously exhibiting spring-like ...
Nov 9, 2023
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A quick scan of the headlines makes it seem like generative artificial intelligence is everywhere these days. In fact, some of those headlines may actually have been written by generative AI, like OpenAI's ChatGPT, a chatbot ...
Nov 9, 2023
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Keeping control of our planet's thermostat is proving tricky these days. Temperatures are rising slowly, and inaction is proving costly as we awkwardly lurch towards a cleaner future.
Nov 6, 2023
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Robots should ideally interact with users and objects in their surroundings in flexible ways, rather than always sticking to the same sets of responses and actions. A robotics approach aimed towards this goal that recently ...
Skoltech researchers have used an inexpensive 3D-printing technique to demonstrate the manufacturing of a ceramic part of a highly complex shape, which could be used in fuel cells, a promising technology for efficient and ...
Oct 26, 2023
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Nature, in the broadest sense, is equivalent to the natural world, physical world, or material world. "Nature" refers to the phenomena of the physical world, and also to life in general. It ranges in scale from the subatomic to the cosmic.
The word nature is derived from the Latin word natura, or "essential qualities, innate disposition", and in ancient times, literally meant "birth". Natura was a Latin translation of the Greek word physis (φύσις), which originally related to the intrinsic characteristics that plants, animals, and other features of the world develop of their own accord. The concept of nature as a whole, the physical universe, is one of several expansions of the original notion; it began with certain core applications of the word φύσις by pre-Socratic philosophers, and has steadily gained currency ever since. This usage was confirmed during the advent of modern scientific method in the last several centuries.
Within the various uses of the word today, "nature" often refers to geology and wildlife. Nature may refer to the general realm of various types of living plants and animals, and in some cases to the processes associated with inanimate objects – the way that particular types of things exist and change of their own accord, such as the weather and geology of the Earth, and the matter and energy of which all these things are composed. It is often taken to mean the "natural environment" or wilderness–wild animals, rocks, forest, beaches, and in general those things that have not been substantially altered by human intervention, or which persist despite human intervention. For, example, manufactured objects and human interaction generally are not considered part of nature, unless qualified as, for example, "human nature" or "the whole of nature". This more traditional concept of natural things which can still be found today implies a distinction between the natural and the artificial, with the artificial being understood as that which has been brought into being by a human consciousness or a human mind. Depending on the particular context, the term "natural" might also be distinguished from the unnatural, the supernatural, or synthetic.
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