LGs new smartphone repels mosquitos using sound waves

October 30, 2017 by  
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Forget bug spray — LG recently unveiled a new smartphone that repels mosquitos using sound waves. The India-exclusive K7i smartphone is a fairly ordinary phone with a 5-inch HD display, 2GB of RAM, and 16GB of storage. Except its unique Mosquito Away feature sets it apart from other devices. By using ultrasonic sound wave technology, pesky mosquitos are supposedly driven away from the vicinity of the phone. The Mosquito Away feature was previously installed in the company’s air conditioners, washing machines, and TVs. According to LG , the ultrasonic waves are “absolutely safe” for humans. Additionally, the technology is silent, odorless and also user-friendly. It is presently selling for 7,990 rupees in India — or $121. Unfortunately, it’s not clear whether or not the technology actually works. The  BBC , for instance, says the tech is a myth. And according to Bart Knols, an entomologist who chairs the advisory board of the Dutch Malaria Foundation, there is “no scientific evidence whatsoever” that mosquitos can be driven away using ultrasonic sound technology. Related: Flesh-eating bacteria might be spread by mosquitoes in Australia If the Mosquito Away feature does work, the technology could have grand implications. Nearly half of the world’s population is at risk of malaria. In 2015,  212 million malaria cases were reported , which resulted in 429,000 deaths. Through prevention and control measures, there has been a 29 percent reduction in malaria mortality globally since 2010. However, the parasite which is spread by mosquitos still puts populations at risk, particularly in third-world nations. Via Phone Radar , The Verge Images via LG , Pixabay , YouTube

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LGs new smartphone repels mosquitos using sound waves

American women and their dogs rescued after surviving five months at sea in shark-infested waters

October 27, 2017 by  
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Two women from Honolulu, Hawaii , are basking in sweet relief as they and their dogs were rescued after spent five months stranded at sea in shark-infested waters. Jennifer Appel and Tasha Fuiava set a course for Tahiti on May 3rd but suffered engine failure and a broken mast when a storm battered their boat. Fortunately, they had water purifiers, a year’s worth of dog food, and rice, pasta, and oatmeal. The basic supplies kept them alive long enough to be spotted by a Taiwanese fishing vessel roughly 900 miles southeast of Japan . On Wednesday morning, the day after Appel and Fuiava were discovered, the USS Ashland (a 610-foot Navy ship) rescued them from the boat. Said Appel in a statement, “I’m grateful for their service to our country. They saved our lives. The pride and smiles we had when we saw [U.S. Navy] on the horizon was pure relief.” Less than a month after the women set sail for Tahiti , they hit a patch of bad weather. Calling for help was impossible, as their only phone went scuba diving on the first day. For five long months, they drifted in the Pacific Ocean , sending out distress calls and waiting for help. “It was very depressing, and it was very hopeless,” Appel said. “The only thing you can do, you use what you can and what you have. You have no other choice.” Believe it or not, lack of food wasn’t the greatest concern – the boat was constantly surrounded by sharks .“We were slowly maneuvering through their living room. They came by to slap their tails and tell us we needed to move along,” Appel said. “They decided to use our vessel to teach their children how to hunt. They attacked at night.” After Fuiava and Appel were brought aboard the USS Ashland, they received medical assistance. They will remain aboard until the Ashland’s next scheduled port of call. Related: US Navy Will Recover the Bombs it Dropped in the Great Barrier Reef On Thursday, footage of the rescue (above) was released. Their reaction to being saved is both exciting and touching. Said Commander Steven Watson, Ashland commanding officer, in a statement: “The US Navy is postured to assist any distressed mariner of any nationality during any type of situation.” Via Gizmodo U.S. Navy photos by Mass Communication Specialist 3rd Class Jonathan Clay

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American women and their dogs rescued after surviving five months at sea in shark-infested waters

New fractal concentrated solar power receivers absorb sunlight more efficiently

October 27, 2017 by  
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Concentrated solar power facilities are often large, sprawling across desert landscapes or the futuristic California of Blade Runner 2049. But smaller plants could offer a clean energy option for villages – if researchers could boost receiver efficiency. Sandia National Laboratories engineers have come closer to that goal with a fractal -like design for receivers that are as much as 20 percent better at absorbing light than today’s technology. India may want to develop concentrated solar power plants that are one megawatt or smaller to power villages, according to Sandia engineer Cliff Ho. Better receivers could make that goal more of a possibility. Sandia engineers tested out their new receivers for small- or medium-scale use at the National Solar Thermal Testing Facility in Albuquerque, New Mexico, which they say is the only test facility of its kind in America. Related: Trump’s DOE invests $62 million in concentrated solar power Traditional receivers typically have “a flat panel of tubes or tubes arranged in a cylinder,” according to Sandia. They can absorb 80 to 90 percent of light directed towards them, but improving receiver efficiency could lower costs. Ho said in a statement, “When light is reflected off a flat surface, it’s gone. On a flat receiver design, five percent or more of the concentrated sunlight reflects away. So we configured the panels of tubes in a radial or louvered pattern that traps the light at different scales. We wanted the light to reflect, and then reflect again toward the interior of the receiver and get absorbed, sort of like the walls of a sound-proof room.” The engineers 3D-printed the receivers with a high-temperature nickel alloy, Iconel 718. They could test several fractal designs in an economical manner this way – Ho said it would have been difficult to create the complex geometries with casting, welding, or extrusion. Sandia will take their work and apply it to the Solar Energy Research Institute for India and the United States (SERIIUS) project, a five-year effort from the governments of both countries on cost-effective solar power technology. Via Sandia National Laboratories Images via Randy Montoya/Sandia National Laboratories and Depositphotos

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New fractal concentrated solar power receivers absorb sunlight more efficiently

Abused piglet dumped at animal shelter undergoes miraculous transformation

July 4, 2017 by  
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Though we may never know why some people abuse animals (or other people), it’s heartening to know compassionate individuals do still exist. The Dodo shares a story about the folks at Sale Ranch Sanctuary , who saved a young piglet’s life. The pig, named Cherry Blossom, lived in unspeakable conditions before she was finally dumped at an animal shelter in California that primarily cares for cats and dogs. Though she wasn’t expected to survive due to a severe case of sarcoptic mange, Cherry Blossom made a complete recovery. Hit the jump to hear her story. The Dodo reports that Cherry Blossom was abandoned at a shelter near Temecula, California. The staff says the man who dropped her off claimed she was a stray. However, it is suspected she was previously owned and developed conditions due to improper care. Said Jen Sale, CEO and founder of Sale Ranch Sanctuary, “She had an incredibly severe case of  sarcoptic mange,  which is one of the most severe types of mange you can get. If it’s not treated, it can be fatal.” “They [the shelter workers] think it was the rancher who actually brought her in. He didn’t care for her when she got sick. Instead, he just dropped her off and said he found her,” she added. Because the shelter doesn’t care for pigs, employees quickly contacted the nearby farm sanctuary . Sale, who has worked with livestock for years, suspects Cherry Blossom lived in “overcrowded, filthy conditions.” She said, “As a baby, her immune system was still developing, and she kind of got walloped.” The mange didn’t just look bad, it was also causing Cherry Blossom a lot of pain. Despite this, she was very friendly toward Sale and her husband. “She still wanted comfort from us,” Sale said. “We’d come and put the medicine on her, and she learned very quickly that we were helping her. And even though she was in so much pain, she’d snuggle up and want us to rub her belly. She’s just a testimony for how forgiving and loving animals are.” Related: Rombaut makes cruelty-free leather shoes from discarded pineapple leaves After seeing a veterinarian , the pig began receiving healing cream rubs and laser light therapy. Two months later, her mange has cleared up and, as a result, Cherry Blossom’s hair is regrowing. “Her hair is fully growing in, and her skin is totally good,” Sale said. “The transformation really is amazing.” Feeling better, Cherry Blossom’s personality is also coming out. “She’s super silly,” Sale said. “She’ll play with her ball. She loves her little mud hole. And she gets along with everybody. She runs around with our dogs, she goes over to our barnyard to visit the animals there. She’s just a sweetheart, and all she wants is attention and affection from people.” Remarking on the deed of restoring the piglet to proper health, Sale said, “We’re just really grateful and blessed that we were able to bring her home and take care of her and get her healthy. Even though she kind of had a rough start to life, she’s doing very well. She’s going to have a really beautiful life.” If you feel inspired, consider donating to the Sale Ranch Sanctuary . Via The Dodo Images via Sale Ranch Sanctuary

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Abused piglet dumped at animal shelter undergoes miraculous transformation

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