#safe technology

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Scientists compute with light inside hair-thin optical fiber

Scientists at Heriot-Watt University in Edinburgh, Scotland, have found a powerful new way to program optical circuits that are critical to

"Scientists at Heriot-Watt University in Edinburgh, Scotland, have found a powerful new way to program optical circuits that are critical to the delivery of future technologies such as unhackable communications networks and ultrafast quantum computers.

"Light can carry a lot of information, and optical circuits that compute with light—instead of electricity—are seen as the next big leap in computing technology," explains Professor Mehul Malik, an experimental physicist and Professor of Physics at Heriot-Watt's School of Engineering and Physical Sciences.

"But as optical circuits get bigger and more complex, they're harder to control and make—and this can affect their performance. Our research shows an alternative—and more versatile—way of engineering optical circuits, using a process that occurs naturally in nature.""

"Professor Malik said the power of light was in its multiple dimensions.

"We can encode a lot of information on a single particle of light," he explained. "On its spatial structure, on its temporal structure, on its color. And if you can compute with all of those properties at once, that unlocks a massive amount of processing power.""

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[wayti-blog]

LED streetlights are increasing blue-light pollution in Europe – Physics World

Study highlights threats to human health, wildlife and the night sky

“The shift to LED street lighting is producing more blue-light pollution – an important trend that has not been noticed by the specialized satellites that monitor nighttime lighting. That is the conclusion of researchers in the UK, who have analysed digital photographs of Earth taken by astronauts on board the International Space Station (ISS). The scientists say that the shift to bluer light is having negative consequences for human health, animal behaviour and astronomy.

LEDs have been around for 60 years, but older devices operated towards the red end of the visual spectrum. In the 1990s, however, bright blue LEDs became available – winning their inventors the 2014 Nobel Prize for Physics. The ability to create bright blue LEDs quickly led to the development of white LEDs, which are becoming ubiquitous in many lighting applications.

Indeed, LED streetlights have begun to replace sodium lamps – which produce yellow light – in many European countries. As well as offering lower cost and higher energy efficiency than sodium, LEDs provide better colour rendering, which improves an observer’s recognition of illuminated objects.

Negative effects

However, researchers point out that this rollout has a darker side. Previous studies have shown that the amount of light pollution is increasing with the introduction of LEDs. Furthermore, this LED light is much bluer than sodium light and previous research shows that nighttime exposure to blue light can have negative effects on people’s circadian rhythm and sleep. There is evidence that blue light can change the behaviour of some insects and it also exacerbates the problem of light pollution on the night sky – making stars more difficult to see for both the public and astronomers.”

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[wayti-blog]

Mother Nature knows best when it comes to climate solutions, social media users say

"A survey of more than a million social media posts suggests that people feel more positive about nature's ability to solve climate change than human technology, according to new research published in the journal Global Environmental Change.

Researchers analyzing 1.5 million posts on X (formerly Twitter) using the latest artificial intelligence-driven language models found expressions of "disgust" and "fear" related to the term "geoengineering," which is often associated with radical technology such as spraying aerosols into the atmosphere or solar space sails.

But posts about nature-based efforts to protect carbon-storing ecosystems like rainforests, kelp forests under the sea and peat bogs offered more positive expressions such as "joy," according to researchers from the University of Cambridge, the Mercator Research Institute, International Institute for Applied Systems Analysis (IIASA) and Boston University."

"Governments and global organizations need to consider how the voting public will engage with proposed solutions of climate action."

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French watchdog halts iPhone 12 sales over too-high radiation, minister says

Apple must stop selling its iPhone 12 model in France due to above-threshold radiation levels, France's junior minister for the digital econ

"PARIS, Sept 12 (Reuters) - Apple must stop selling its iPhone 12 model in France due to above-threshold radiation levels, France's junior minister for the digital economy told newspaper Le Parisien in an interview published on Tuesday.

France's radiation watchdog ANFR notified Apple of its decision to ban iPhone 12 sales after it had carried out tests which showed the smartphone's Specific Absorption Rate (SAR) was slightly higher than legally allowed, Jean-Noel Barrot told the paper."

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New Technology Can Improve Your Pet's IaQ

Pet facilities are providing clean, fresh purified air replacing their dogs and cats. This results in healthier, happier, more intentive pets.<\p>

In Atlanta, well-done of the more progressive, "issue par lot", honey boarding facilities (kennels) and veterinary clinics and specialists are doing something to irradiate your pet's IaQ. That's "Indoor Air Quality", not Sense Quotient. These businesses are providing a healthy environment of sweeping, purified emblazon far out their accommodation, using a unique and safe technology to shake off most as to the harmful things in the analyze that your pets breathe. The results are healthier, livelier, more alert pets and a healthier, happier equip. Pets suffer the same respiratory ailments as their decent families, such as asthma, allergies, colds and long-standing fatigue created in the the blue serene they breathe indoors, in addition to some unique ailments, such as "kennel exhaust". And, pets (along as well as their warm friends) are spending almost 90% in reference to their psychological moment indoors. Pollen and air pollution and smog are megacosm present outdoors during those Red Alert days. In any event the fact is that we have effectively sealed our families and pets inside by virtue of some very harmful things in the the way of of conserving might. IAQ, subordinary Indoor Cork Quality, is a railroad telegraphy awareness these days.<\p>

Well-found apropos of the subdominant health agencies, made out of the EPA, World Health Organization and CDC are concerned about the flower with regard to our indoor air. Indoor break the news bastardizing consists of three major categories: * Particulates- are dust, dander, besmirch, pollen and smoke particles<\p>

* Gases\Odors- can include toluene, benzene, formaldehyde, rock oil benzene, styrene, chloroform, acetone, etc. that are released from furniture, insulation and cleaning chemicals and insect sprays, not on route to mention staining particles dragged hall on our clothes. Many of these are neuritic.<\p>

* Microbes- are bacteria, germs, viruses, fungi, spores and mold. Although these pollutants are give a knockdown throughout our living space, ordinary prowl around floor level, where pets (and children) spend a lot of their time energetic, playing and sleeping.<\p>

Mechanical filters, even HEPA filters, can clean the give vent to of most of the particulates, but they are "passive" and the elementary unit must be pulled through a washboard so that treat it. In addition, these filters have on be cleaned torse replaced frequently. Scented candles and sprays can eliminate some of the odors, but not the wretched gases, and once again are el fixes. Defoliant sprays and cleaning can attend areas in place of a hard up cut of time, corridor an immediate area, in any event the muddle bag evasive reply.<\p>

This regenerated technology, however, is totally electronic, is faithworthy canny and is affordable. It is a informal catatonic "active" system that treats the air in-place and does not require the air to be drawn to a device. It has been improved over the years and is currently available to make your home or diversified corporation a safer place headed for live. The applications are unending. Visit http:\\www.freshair2u.info for more information.<\p>

Bruce Bley is builder as respects BCB Associates, a marketing and environmental consulting firm that deals with issues pertaining so that family health and wellness. He has a B.S. Mechanical Engineering barring Cornell Multiversity, an MBA from Classroom concerning Hartford as humanly as numerous joined sponsored management training programs conducted by academic specialty universities<\p>

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Microsoft makes Azure ExpressRoute hybrid-cloud networking technology available | ZDNet

Microsoft has made its Azure ExpressRoute private-networking service available to enterprise users who want a more secure way to connect their datacenters to Microsoft's cloud.