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Step 3: You will see download option in search results below, You can choose what file you want to download mp3, mp4, 3gp then click the download button. The download link will appear when the video conversion has been finished. In the entire internet world, You might want to listen all latest music, old songs and more music using your mobile devices or laptop and tablet or in your personal computer, But you lack of internet connection or a restrictive data plan. Migratory birds use warm, rising currents of air to gain height using little energy to fly over long distances. But just how they navigate the height-boosting currents was a mystery, until now.
When the wind s against them, they stay closer to Earth when obstacles like trees slow the wind down. When they have a tailwind, they fly up high to where it will whisk them along faster. Many large birds of prey, herons and storks migrate by day to make use of thermals, but songbirds such as warblers, thrushes and starlings, migrate mostly at night when the air is calmer and cooler. Large birds of prey, storks and herons use thermals to gain height without using up precious energy by flapping. Once they are up high, they glide towards their destination on the wind, just like hang-gliders.
Without thermals, many large birds could never get across seas and deserts, bird charity the RSPB said. Scientists have long known that thermal soaring requires complex decision making within the turbulent environment of a rising column of warm air from the Earth. Relatively little is known about the navigation strategies used by birds to cope with these challenging conditions, mainly because past computational research examined soaring in unrealistically simplified situations. Now a team of physicists and biologists at the university have shed light on the behaviour, by demonstrating how glider pilots might be able to soar more efficiently, by adopting the learning strategies that birds use to navigate their way through thermals.
What do people find attractive in YOUR area? Terrence Sejnowski, a professor of neurobiology at the Salk Institute and UC San Diego, combined numerical simulations of atmospheric flow with reinforcement learning algorithms – equations originally developed to model the behaviour and improved performance of animals learning a new task. The algorithms were developed in a manner that trained a glider to navigate complex turbulent environments based on feedback on the glider’s soaring performance. The scientists analysed the bank angle and the angle of attack of the glider’s wings as well as how the temperature variations within the thermal impacted vertical velocity.
By sensing two environmental cues – vertical wind acceleration and torque – the glider is able to climb and stay within the thermal core, where the lift is typically the largest, resulting in improved soaring performance, even in the presence of strong turbulent fluctuations. As turbulent levels rise, the glider can avoid losing height by adopting increasingly conservative, risk-averse flight strategies, such as continuing along the same path rather than turning. The scientists created graphs to show how an untrained glider taking random decisions gradually falls, while a trained glider learns to make use of characteristic spiralling patterns in regions of upward gusts of wind. And the same may be true of migratory birds. This information could guide the design of simple mechanical instrumentation that would allow autonomous gliders to travel long distances with minimal energy consumption’. Our findings shed light on the decision-making processes that birds might use to successfully navigate thermals in turbulent environments.
This information could guide the design of simple mechanical instrumentation that would allow autonomous gliders to travel long distances with minimal energy consumption. Both the father and wife of accused rapist and former NFL player Kellen Winslow Jr. President Donald Trump is on the attack against Amazon CEO and Washington Post owner Jeff Bezos yet again. The comments below have not been moderated. We are no longer accepting comments on this article. Will Tesla miss its Model 3 targets yet again? Putin on a show of strength?
Debit card payments overtake cash for first time after Britons use plastic for 13. Could alien life be hiding on a distant moon? It might be where Game of Thrones was filmed, but Malta’s REAL claim to fame is its festivals! Jonah Hill debuts bold new HOT PINK hairdo and gushes ‘Omg you guys! Huawei is turning to artificial intelligence in the hope of getting one up on its rivals, including Apple and Samsung.
Neural Processing Unit has been used in a smartphone. The chipset means that instead of relying on AI in the cloud, the smartphone will have its own sensing abilities within the device. HUAWEI’S AI PLANS Huawei has announced that its next smartphone, the Mate 10, will come with its own Kirin 970 chipset with AI processing capabilities. As well as giving the smartphone AI capabilities, the Kirin 970 chip will also give the Mate 10 50 per cent longer battery life, according to Huawei. This marks the first time a Neural Processing Unit has been used in a smartphone. Speaking to Reuters at the IFA conference in Berlin, Richard Yu, chief of consumer products at Huawei, said: ‘Compared with Samsung and Apple, we have advantages. Could parachutes soon be made out of spider webs?
But Apple isn’t shying away from artificial intelligence research. A new report from the Wall Street Journal suggests that Apple is trying to draw attention to its AI efforts, in the hopes of luring in tech talent. The report reveals that Apple launched a public blog in July to publicise its AI work, and has allowed its researchers to speak at several conferences on artificial intelligence. In March, Charlie Tang, a research scientist at Apple gave a presentation on robots, but didn’t specifically mention any of Apple’s work. In an interview, Mr Tang said: ‘We want to open communication with the community. Jack Clark, head of strategy at OpenAI, told the Wall Street Journal that ‘overcoming that is difficult.
While Apple has vowed to publish more of its AI research, it remains to be seen how much. Professor Ruslan Salakhutdinov, director of AI research at Apple said: ‘You can have quantity, but producing high quality research is very important. The Battle of the Five Armies from The Hobbit was re-enacted as more than 1,000 people descended on the town of Dosky in the Czech Republic. Both the father and wife of accused rapist and former NFL player Kellen Winslow Jr.