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World’s Fastest Camera Can ’Capture Light’
Scientists have developed a super- fast camera that can film at an unprecedented rate of five trillion images per second, fast enough to visualise the movement of light.
The camera will be able to capture incredibly rapid processes in chemistry, physics, biology and biomedicine, that so far have not been caught on film, researchers said.
A research group at Lund University in Sweden successfully filmed how light - a collection of photons - travels a distance corresponding to the thickness of a paper.
In reality, it only takes a picosecond, but on film the process has been slowed down by a trillion times.
Currently, high-speed cameras capture images one by one in a sequence, filming 100,000 images per second.
The new technology called Frequency Recognition Algorithm for Multiple Exposures (FRAME) is based on an innovative algorithm, and instead captures several coded images in one picture. It then sorts them into a video sequence afterwards.
The method involves exposing what you are filming (for example a chemical reaction) to light in the form of laser flashes where each light pulse is given a unique code.
The object reflects the light flashes which merge into the single photograph. They are subsequently separated using an encryption key.
The film camera is initially intended to be used by researchers who literally want to gain better insight into many of the extremely rapid processes that occur in nature.
Many take place on a picosecond and femtosecond scale, which is unbelievably fast - the number of femtoseconds in one second is significantly larger than the number of seconds in a persons life-time.
"This does not apply to all processes in nature, but quite a few, for example, explosions, plasma flashes, turbulent combustion, brain activity in animals and chemical reactions. We are now able to film such extremely short processes," said researcher Elias Kristensson.
"In the long term, the technology can also be used by industry and others," Kristensson said.
A regular camera with a flash uses regular light, but in this case the researchers use "coded" light flashes, as a form of encryption.
Every time a coded light flash hits the object - for example, a chemical reaction in a burning flame - the object emits an image signal (response) with the exact same coding.
The following light flashes all have different codes, and the image signals are captured in one single photograph. These coded image signals are subsequently separated using an encryption key on the computer.
Life isn't a race and never was, It's just a perception of few, that others too relates with themselves. Life is all about living every moment instead of running for for moments, leaving behind many amazing moments.
Life is like you wake up every day and goes to a park for a morning walk. There you see people doing different things, some are running, some walking slowly, some sitting on benches and enjoying the view, some lying on grass doing yoga. Everyone has its own way for his workout, but you see nobody is there for race with anyone. Similarly "life is a race" is just a perception of few. Life is enjoying every moment with joy, experience every bit of living that you may miss while living in a race. Just live the way you want, there is no hurry, no race ahead, just enjoy the life in the way you want.Life is beautiful in every moment all you need is to take joy from those moments, life gives you every experience every weather, like changing weathers life also have different moments, sometimes good, sometimes bad, sometimes happy, sometimes tense but it also teaches you how to deal with these phases of life. It gives you experience of every situation that you can't run through, yes it can't be denied that there is no any race in life, yes that can also be a need of phase/moment of life but only for that very situation, that doesn't makes your life a race.
So Life isn't a race, and if someone tells you that his life is like a race that means he was just going through a phase where life is teaching him how to run, or maybe he wanna get out of that situation as soon as possible.
Just live and enjoy moments, don't waste these moments in running.
How to Win NASA's $30,000 'Space Poop' Challenge
The National Aeronautics and Space Administration (NASA) is now turning into crowdsourcing to solve the "dirty" problem being faced by astronauts stationed in space.Dubbed as the "Space Poop" challenge, NASA is willing to pay a handsome amount of cash to anyone who can propose a hands-free way of relieving one's self."The US National Aeronautics and Space Administration (NASA) seeks proposed solutions for fecal, urine, and menstrual management systems to be used in the crew's launch and entry suits over a continuous duration of up to 144 hours," NASA wrote on a press release. "An in-suit waste management system would be beneficial for contingency scenarios or for any long duration tasks."Previously, astronauts are using diapers as an old standby solution to answer any call of nature. However, NASA noted that diapers can only be a temporary solution and not even very healthy and sanitary.In order to win the Space Poop challenge, a contender must first enter through the crowd-sourcing website HeroX. The lucky innovators who proposes the greatest high-tech and cutting-edge diaper would receive $30,000.The winning idea must be a system inside a space suit that collects human waste for up to 144 hours and routes it away from the body, without the use of hands. The innovation must also work under the condition in space, where everything, including solid, liquid and gas waste floats around at microgravity.The new poop system should hold up to 1 liter of urine per crew member daily, 75 grams of fecal mass per crew member daily, and 80 milliliters of menstrual waste. The most important thing is that the system should lasts for six days, keeping the astronauts clean and healthy for a total of 144 hours.The submission of brilliant poop-tackling ideas is open until December 20, 2016. The results will be announced on January 31, 2017. The best space poop innovation will be implemented and used by NASA for the next three to four years.