Here is the curated list of all news that is creating buzz for engineers right now.
1. Working on the Future by Erasing the Past
Time and space, Past and Future are terms that are usually viewed as interdependent entities by many. People cannot move into a future unless they have a past – the origin of anything has a whole past in itself and our past is a very operational entity when we talk of the future because it determines a lot of things.
Recently, a Mathematician of UC Berkeley has found black holes where these entities and the significance they hold, break down. It is claimed that if somebody “visits” one of these holes, they will have an infinite number of possibilities when it comes to their future mostly because the future here becomes a very unpredictable entity, but their past will be completely erased and it will cease to exist. This is a phenomenon that is one of its kind because according to the common man, the only time when people can be rid of their past is due to some alteration in their mental processes.
Peter Hintz suggests that these black holes exist in a universe like ours which is expanding and it is possible, according to him, to survive the passage from our “deterministic” world to a black hole that is “non – deterministic”.
It is a common notion that people exposed to video games tend to portray relatively more hostile and violent behaviors than those who don’t engage in such activities. In fact, whenever a person who is a Video Game player shows any such behaviors, they are attributed to his or her addiction to the games.
Recently, a group of researchers at the University of York have claimed that based upon their findings, there is no link between video games and portrayal of violent and hostile behavior. To arrive at this conclusion, a series of experiments were carried out wherein 3000 participants were made to engage in Video Games which did not “prime” them to behave in a certain way, no matter how much realism was induced in the designing of the graphics of the video games. The subjects were made to play games which involved saving a car from collisions or perhaps saving a mouse from being caught by a cat. Dr. David Zendle, from the Computer Science department of the University, claimed that the subjects were later exposed to pictures and had to categorize them under “Vehicle or Animal” and if the video games at all had to have effect on behaviors, the subjects would identify and categorize instantly – but this did not happen.
When two flashlights are lit and are made to face each other, there isn’t anything new or bizarre that is noticed mostly because the photons that light is composed of, merely pass through each other and in other words, do not really interact with each other. A sci-fi possibility tells us that in the case of Lightsabers, beams of light can push or pull each other and the light from two can merge into one stream in a straight line. This might sound like the rules of physics are being bent but recently, scientists from MIT, Harvard University and elsewhere have found and demonstrated that interaction can occur between these photons in the subject. This discovery could lead to the use of photons in Quantum Computing!
A new state of matter has been found to exist. An electron orbits a nucleus from a distance and this orbit acts as a gate for many other atoms which exist inside it. Usually, there is nothing between the nucleus and electrons but if the electron orbits the nucleus from a distance, there is a lot of room left for more. There is potential for a giant atom to be created by small atoms which stick together and form weak bonds under cold temperatures and are called “Rydberg polarons” and these atoms hardly have any influence over the path of the electron. These atoms have a minimal charge and hence exert minimal force, while the electron can still feel neutral atoms along the path. These atoms do not leave the orbit.
A team of scientists led by astronomer Judd Bowman from Arizona State University found fingerprints of some of the earliest stars in the universe after 12 years of hustle and effort. This detection was carried using efficient radio signals and it goes on to provide information about our ancestors – the ones who first set foot nearly 180 million years after the universe began. 400,000 years after the Big Bang, the universe was still a dark void that was composed of neutral hydrogen gas. For the next 50-100 million years, gravity worked its magic and due to its pull of the dense regions of the gas, stars were formed. For the longest time the origin of these stars has remained a mystery but to find these fingerprints, Bowman’s team used the technology offered by radio spectrometer located at Australia’s National Science Agency.
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