A solar-powered airplane finished crossing the United States on Saturday, landing in New York City after flying over the Statue of Liberty during its historic bid to circle the globe, the project team said. The spindly, single-seat experimental aircraft, dubbed Solar Impulse 2, arrived at New York's John F. Kennedy International Airport at about 4 a.m. local time after it took off about five hours beforehand at Lehigh Valley International Airport in Pennsylvania, the team reported on the airplane's website. Such a pleasure to land in New York! For the 14th time we celebrate sustainability," said the project's co-founder Andre Borschberg on Twitter after flying over the city and the Statue of Liberty during the 14th leg of the trip around the globe. The Swiss team flying the aircraft in a campaign to build support for clean energy technologies hopes eventually to complete its circumnavigation in Abu Dhabi, where the journey began in March 2015. The solar cr...
Interestingly, neurosciences have measured the action of individual cerebrum cells amid the imagining period of rest. They found blasts of movement that are strikingly like what happens when we are wakeful and see another picture. The group proposes that fast eye developments (REMs) are connected with a "change of scene" amid visual dreams. The recordings were produced using patients with anodes embedded in their brains to screen seizures. "It's a remarkable chance to take a gander at what's going on inside the human cerebrum," Dr Yuval Nir, from Tel Aviv University in Israel, told the BBC. "We're extremely appreciative to the epilepsy patients who volunteered to tune in." Dr Nir worked with associates from France and the US on the study, which is distributed in the diary Nature Communications.Over the course of four years they worked with 19 unique patients, recording from anodes in a few diverse cerebrum ranges yet to a great extent inside of the average worldly flap.
This is not a piece of the cerebrum specifically included in vision,
Dr Nir said. "The movement of these neurons doesn't reflect picture handling. It's more about motioning to the mind around a certain idea. "You can close your eyes and envision Queen Elizabeth, and these neurons will fire. This movement infers an invigorate of the mental symbolism and the affiliations." At the point when the patients were alert and demonstrated a photo, particularly one connected with a memory, the scientists saw a specific example of movement. "Around a 0.3 seconds after the photo shows up, these neurons burst - they turn out to be vivaciously dynamic," Dr Nir clarified. "This additionally happens when individuals simply shut their eyes and envision these photos, or these ideas."
This could help to explain why unborn babies and blind people also move their eyes during REM sleep, he added. "Even people who are congenitally blind... can still dream about their aunt coming to visit from Florida: her voice, the emotions and all the associations that go with that.
"And when the dream changes from meeting this aunt to, say, taking your dog for a stroll in the park, then the brain activity changes and this happens in sync with eye movements.""I see REM sleep as rather like the screensaver on your computer; all you need is the touch of a button and your computer leaps to life. It's very close to wakefulness. Non-REM sleep is more like when you switch your computer off, and waking up requires a process of rebooting."
Prof William Wisden, a neuro-scientist at Imperial College London, was also convinced by the similarity of brain activity between awake and REM states - but he said there are bigger questions still to answer. "The most fascinating question of all is why do we have to have REM sleep? Why does our brain have all this circuitry to do that?
"This paper doesn't answer that, but it does emphasize how similar being awake and in REM sleep are, for certain aspects of the cortex."
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