Energy-harvesting design aims to turn Wi-Fi signals into usable power

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Terahertz waves are pervasive in our daily lives, and if harnessed, their concentrated power could potentially serve as an alternate energy source. Imagine, for instance, a cellphone add-on that passively soaks up ambient T-rays and uses their energy to charge your phone.

Any device that sends out a Wi-Fi signal also emits terahertz waves —electromagnetic waves with a frequency somewhere between microwaves and infrared light. These high-frequency radiation waves, known as “T-rays,” are also produced by almost anything that registers a temperature, including our own bodies and the inanimate objects around us.

Terahertz waves are pervasive in our daily lives, and if harnessed, their concentrated power could potentially serve as an alternate energy source. Imagine, for instance, a cellphone add-on that passively soaks up ambient T-rays and uses their energy to charge your phone. However, to date, terahertz waves are wasted energy, as there has been no practical way to capture and convert them into any usable form.

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Scientists develop AI that can turn brain activity into text

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Researchers in US tracked the neural data from people while they were speaking

Reading minds has just come a step closer to reality: scientists have developed artificial intelligence that can turn brain activity into text.

While the system currently works on neural patterns detected while someone is speaking aloud, experts say it could eventually aid communication for patients who are unable to speak or type, such as those with locked in syndrome.

“We are not there yet but we think this could be the basis of a speech prosthesis,” said Dr Joseph Makin, co-author of the research from the University of California, San Francisco.

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How Epidemics of the past changed the way Americans lived

 

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Past public health crises inspired innovations in infrastructure, education, fundraising and civic debate

At the end of the 19th century, one in seven people around the world had died of tuberculosis, and the disease ranked as the third leading cause of death in the United States. While physicians had begun to accept German physician Robert Koch’s scientific confirmation that TB was caused by bacteria, this understanding was slow to catch on among the general public, and most people gave little attention to the behaviors that contributed to disease transmission. They didn’t understand that things they did could make them sick. In his book, Pulmonary Tuberculosis: Its Modern Prophylaxis and the Treatment in Special Institutions and at Home, S. Adolphus Knopf, an early TB specialist who practiced medicine in New York, wrote that he had once observed several of his patients sipping from the same glass as other passengers on a train, even as “they coughed and expectorated a good deal.” It was common for family members, or even strangers, to share a drinking cup.

With Knopf’s guidance, in the 1890s the New York City Health Department launched a massive campaign to educate the public and reduce transmission. The “War on Tuberculosis” public health campaign discouraged cup-sharing and prompted states to ban spitting inside public buildings and transit and on sidewalks and other outdoor spaces—instead encouraging the use of special spittoons, to be carefully cleaned on a regular basis. Before long, spitting in public spaces came to be considered uncouth, and swigging from shared bottles was frowned upon as well. These changes in public behavior helped successfully reduce the prevalence of tuberculosis.

As we are seeing with the coronavirus today, disease can profoundly impact a community—upending routines and rattling nerves as it spreads from person to person. But the effects of epidemics extend beyond the moments in which they occur. Disease can permanently alter society, and often for the best by creating better practices and habits. Crisis sparks action and response. Many infrastructure improvements and healthy behaviors we consider normal today are the result of past health campaigns that responded to devastating outbreaks.

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Podcast listening sees decline with work-from-home requirements limiting commutes

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As people adjust to shelter in place orders around the world due to the coronavirus pandemic, new behaviors are impacting almost every industry and that includes podcasts. While at first, you might think podcast listener numbers would be up with the extra time many people have on hand, it’s actually the opposite, here’s why.

Reported by The New Consumer, in the US, podcast audiences are down 10% over the last two weeks according to data from Podtrac. While that might sound strange considering that many people have a lot more free time with shelter in place orders, what is likely happening here is that normal routines like listening to podcasts on the commute to work isn’t happening as day-to-day routines have been disrupted.

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This company wants to turn your windows into solar panels

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Ubiquitous Energy solar glass

San Francisco (CNN Business)What if every window in your house could generate electricity? One Redwood City, California-based startup thinks its technology can achieve that by transforming the way solar power is collected and harnessed.

Ubiquitous Energy has developed transparent solar cells to create its ClearView Power windows, a kind of “solar glass” that can turn sunlight into energy without needing the bluish-grey opaque panels those cells are generally associated with. The company, spun out of the Massachusetts Institute of Technology in 2012, hopes to use that tech to turn practically any everyday glass surface into a solar cell.

“It can be applied to windows of skyscrapers; it can be applied to glass in automobiles; it can be applied to the glass on your iPhone,” Miles Barr, Ubiquitous Energy’s founder and chief technology officer, told CNN Business.

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Universal cancer blood test detects and locates 50 types of tumors

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A new universal cancer blood test can spot over 50 types of tumors and identify where they are in the body

 Cancer is one of humanity’s leading killers, and the main reason for that is it’s often hard to detect until it’s too late. But that might be about to change. Researchers have developed a new type of AI-powered blood test that can accurately detect over 50 different types of cancer and even identify where it is in the body.

There are just so many types of cancer that it’s virtually impossible to keep an eye out for all of them through routine tests. Instead, the disease usually isn’t detected until doctors begin specifically looking for it, after a patient experiences symptoms. And in many cases, by then it can be too late.

Ideally, there would be a routine test patients can undergo that would flag any type of cancer that may be budding in the body, giving treatment the best shot of being successful. And that’s just what the new study is working towards.

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The failure of this self-driving truck company tells you all you need to know about self-driving vehicles

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Starsky Robotics is a self-driving truck company that was the first company to run an unmanned semi on a public highway. It’s now shutting down though, and its co-founder has some unusually sensible and honest things to say about the industry, unusual only because the industry is stuffed with charlatans.

Stefan Seltz-Axmacher co-founded Starsky around four years ago, eventually equipping a fleet of three tractor-trailers with self-driving equipment, making them capable of navigating private truck yards and, once, nine miles of a Florida highway.

Those might seem like modest accomplishments, but they were almost intentionally so, Seltz-Axmacher told Automotive News in an exit interview of sorts. That’s because the company placed a big emphasis on safety, which, shockingly, wasn’t popular with investors.

While competitors expended effort adding machine learning-based features such as enabling trucks to change lanes on their own, Seltz-Axmacher said he threw resources into safety engineering. The company was the first autonomous trucking company to submit a Voluntary Safety Self Assessment to the U.S. Department of Transportation.

But a problem emerged: that safety focus didn’t excite investors. Venture capitalists, Seltz-Axmacher said, had trouble grasping why the company expended massive resources preparing, validating and vetting his system, then preparing a backup system, before the initial unmanned test run. That work essentially didn’t matter when he went in search of more funding.

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UPS orders 10,000 electric delivery trucks, plans driverless truck test

UPS orders 10,000 electric delivery trucks, plans test of self-driving vans

 ATLANTA – UPS ordered 10,000 electric delivery trucks from electric vehicle maker Arrival, in what it calls a move to accelerate electrification of the fleet.

It is the largest single order for electric vehicles from the shipping giant based in Sandy Springs.

The two companies are working together to develop electric vehicles with advanced driver assistance systems, including the potential for automated movement in UPS warehouses, technology that it will test starting this year.

UPS also announced that it is partnering with Waymo to test autonomous vehicle package pickups in the Phoenix area. UPS said Waymo’s Chrysler Pacific minivans will transport packages from UPS stores to a UPS sorting facility, with a driver on board to monitor operations. The technology allows the company to test subsequent pickups at UPS stores.

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Israeli COVID-19 treatment shows 100% survival rate – preliminary data

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Biologists work in a laboratory at Pluristem Therapeutics Inc. in Haifa

Not only have all the patients survived, according to Pluristem, but four of them showed improvement in respiratory parameters.

Six critically ill coronavirus patients in Israel who are considered high-risk for mortality have been treated with Pluristem’s placenta-based cell-therapy product and survived, according to preliminary data provided by the Haifa-based company.

The patients were treated at three different Israeli medical centers for one week under the country’s compassionate use program and were suffering from acute respiratory failure and inflammatory complications associated with COVID-19. Four of the patients also demonstrated failure of other organ systems, including cardiovascular and kidney failure.

Not only have all the patients survived, according to Pluristem, but four of them showed improvement in respiratory parameters and three of them are in the advanced stages of weaning from ventilators. Moreover, two of the patients with preexisting medical conditions are showing clinical recovery in addition to the respiratory improvement.

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Coronavirus upended the trillion-dollar events business. Here’s how it can come back

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The global events industry generates more than $1 trillion in economic activity. Needless to say, it has been decimated by the coronavirus. After the lockdowns end and our health authorities tell us it’s safe to gather in groups, we need a plan to ease people back into real events. Virtual events won’t cut it in the long term — not just for participants but also for our economy.

The typically busy spring lineup of galas, receptions, multiday conferences, and fundraisers has been wiped out. Democratic convention planners last week announced they would delay until August, but questions abound about how exactly that would work and still keep people safe. Campaigns, advocacy groups, and charities, meanwhile, are scrambling to adapt and think about what the fall will look like — and whether they’ll have a fall at all.

The stakes are high. In the United States alone, the event planning business generates $325 billion of direct spending and helps support more than 5.9 million jobs with $249 billion of labor income. These jobs support the planners, audio-visual technicians, caterers, venues, cooks, waiters, and everyone else who helps produce the events we all enjoy.

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Illegal e-bikes OK’d in NYC as food delivery lifeline amid coronavirus crisis

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New York City’s ban of electric bicycles has been shelved to help support food delivery during the coronavirus crisis.

 Despite the growing popularity of electric bicycles, they have been outlawed in New York City.

The issue has largely been centered around throttle e-bikes, which use a hand throttle similar to a motorbike and don’t require the user to pedal to engage the electric motor.

These types of electric bicycles were the go-to method of transportation for NYC’s approximately 40,000 food delivery workers, according to the New York Post. The crackdown on these workers, who are mostly from foreign and minority backgrounds, has long been considered discriminatory by many activist groups.

Efforts have been made to legalize e-bikes in NYC, including the popular throttle-powered e-bikes. But after New York Governor Andrew Cuomo vetoed the latest bill seeking their legalization in December 2019, such e-bikes have remained banned.

Many restaurants have now shifted to take-away and delivery-only options, temporarily ceasing in-restaurant dining.

In response, New York City has decided to temporarily suspend its crackdown on electric bicycles like those used by food delivery workers. The suspension in enforcement means that the NYPD will no longer issue tickets or confiscate electric bikes during the crisis.

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If you’re living with an electric car, what type of house you have is more important than you think

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If you live in a flat or don’t have off-road parking, running an electric vehicle may be more difficult than you think, writes Sean O’Grady

If there is one hard lesson I have learned about living with an electric car, it is that it is not for everyone. At least not for now.

Sure, there are loads of great things you can say about electrification – all true. When you next get a chance to go to a pub with friends and family, you can argue the toss over whether they are in reality, “well- to wheel” greener than an equivalent vehicle with an internal combustion engine. I’ve seen different versions of that, with different assumptions about the electricity required to manufacture them, the energy need to extract scarce minerals for the batteries, and whether scrapping perfectly sound petrol/diesel/hybrid vehicles. (Generally I think the electrics are, like-for-like still always greener within almost any parameters, and will eventually “break even” over their lifetime in their environmental benefits). You can, over anther pint, enjoy a rational discussion about whether the usual price premium attached electric cars makes sense over any given mileage – balancing price/lease costs with far lower fuel costs and maintenance bills (the more miles you do, the more sensible the electric option can be). You can also take a view on whether they take the “fun” out of driving or not (they don’t, on the whole). And so on.

But the most salient fact is not what kind of electric car you want, but what kind of dwelling you inhabit. If you live in a flat, say, or a terraced house without any off-street parking (and therefore an easy way to charge your vehicle up), the electric car seems to be an impractical proposition. If you do have a way of plugging one in to a faster charging external wall socket, then you’re fine, in principle. It’s about a simple as that. That is why many of the complaints about the very real inadequacy and unreliability of the charging network is a bit beside the point. You shouldn’t need to recharge all that often away from home. You take the car, drive around for a bit, come home and plug it in ready for the next day.

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