Laser
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Scientists have created a macroscopic tractor beam using laser radiation
(ORDO NEWS) — Tractor rays are intuitive. Matter and energy interact with each other in countless ways throughout the universe. Magnetism and gravity are natural forces that can pull objects towards each other, so there’s a precedent of sorts. But creating a true tractor beam is something else. The tractor beam is a device. which can move an object over a distance. The idea comes from a 1931 science fiction…
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Experiment shows that firing a laser into the sky can deflect lightning
(ORDO NEWS) — Don’t try it at home, but by shooting a laser beam into the sky, lightning strikes can be prevented, according to a new study by a group of scientists who experimented with lasers on top of a Swiss mountain where a huge metal telecommunications tower stands. . Physicist Aurélien Houard of the Laboratory of Applied Optics at the French National Center for Scientific Research in Paris and…
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Laser helped to direct the movement of lightning
(ORDO NEWS) — A powerful laser beam made it possible to create a 50-meter channel for the propagation of discharges – an “air lightning rod” to control lightning strikes. Lightning rods have been used for centuries to protect against lightning. Such long metal rods create a path with little resistance, along which the charge passes further into the conductor – and into the ground. However, in order for the strike…
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One laser transmitted a second of Internet traffic in record time
(ORDO NEWS) — Scientists continue to study records of data transmission. The fastest information transfer between a laser and a single optical chip system is now set at 1.8 petabits per second. This far exceeds the amount of traffic passing through the entire Internet every second. Here’s another comparison: The average broadband download speed in the US is 167 megabits per second. You need 1000 megabits to get a gigabit…
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Scientists are going to launch the most powerful laser in the US
(ORDO NEWS) — Now the most powerful laser in the US will be sent this week to send the first pulses, allowing researchers to reach a new level of understanding of plasma physics and particle accelerators. Known as the Zetawatt Equivalent Ultrashort Pulse Laser System (ZEUS), it produces an ultra-short, extremely powerful pulse of just 25 femtoseconds. A femtosecond is a quadrillionth of a second, or in other words, a…
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Laser tandem will unite electron wake accelerators into a collider
(ORDO NEWS) — Scientists from the University of Berkeley have created an installation for the simultaneous control of two laser wake accelerators, which will allow “additional acceleration” of the accelerated electrons and push them into each other. Traditional elementary particle accelerators cannot act on them with an electric field exceeding several tens of megavolts per meter. This limit is one of the reasons for the gigantic size of modern accelerators:…
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New ‘twisted’ laser beam can shape ultracold atoms into unusual shapes
(ORDO NEWS) — Getting atoms to do what you want isn’t easy, but it’s at the heart of a lot of groundbreaking research in physics. Creating and controlling the behavior of new forms of matter is of particular interest and an active area of research. Ultracold atoms, cooled to temperatures close to absolute zero (-273°C), are of great interest to researchers, as they allow us to see and study physical…
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New giant galactic laser discovered
(ORDO NEWS) — A powerful natural laser emitting in the radio range, which is called a “megamaser”, was observed by scientists using radio antennas of the MeerKAT array located in South Africa. This object is the most distant megamaser of its kind ever discovered by astronomers, as it is located at a distance of about five billion light-years from Earth. The light coming from this megamaser traveled 58 thousand billion…
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Why do scientists shoot a laser at the Moon and what does gravitational waves have to do with it?
(ORDO NEWS) — A group of European researchers have suggested that the Moon‘s orbit could be used as a giant detector of gravitational waves – pulsations in the very fabric of space-time. These waves are much smaller than what existing detectors can pick up and could have come from the early universe. Cosmic events involving huge masses and objects, such as collisions between black holes, can release so much energy…
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Laser show in China ruined visitors’ smartphones
(ORDO NEWS) — It is known that a powerful laser can damage not only equipment, but also health. The last laser show in China showed clearly what the consequences can be after exposure to a powerful beam on your favorite gadgets. According to the source, a show was held in the city of Xinxiang a few days ago, in which an unusual firework was launched. It consisted of bright and…
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Laser-thermal engine could reach Mars in just 45 days
(ORDO NEWS) — One of the key problems we need to solve in order to colonize Mars is to find a way to quickly get to the Red Planet. In order to find a solution, the research team developed a plan to create a powerful laser that would allow spacecraft to get to Mars always in 45 days, shortening the journey by months. That a team of researchers at Canada’s…
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Is the world’s largest laser: what is it capable of?
(ORDO NEWS) — The giant NIF laser at Lawrence Livermore National Laboratory in the United States is rightfully the most powerful in the world. What temperature can it create. It is very difficult to imagine the power of this design, but you still try it: a colossal laser is capable of heating the target up to 100 million degrees. Operating since March 2009, the NIF laser occupies a 10-storey building…
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New system for powering small satellites with energy using a laser
(ORDO NEWS) — The University of Surrey, UK, and Space Power are tackling the problem of powering small satellites in low Earth orbit when they are out of direct sunlight. Collaborating on a space infrastructure project, the joint team will develop a new technology that uses lasers to beam solar energy from satellites in direct sunlight to smaller satellites that orbit closer to Earth during eclipses. Prototypes of these “wireless…
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US Army will soon receive a mobile installation with a 50 kilowatt laser
(ORDO NEWS) — The US Army this year will receive a Stryker combat vehicle from Raytheon Corporation, equipped with a laser capable of dealing with a variety of threats. Its power will be 50 kilowatts. Previously, such weapons have found their application on the ships of the US Navy. The first set of Stryker combat vehicles equipped with 50-kilowatt laser weapons will be delivered to Fort Sill, Oklahoma by the…
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Water bears can fly to stars at near-light speed with a laser beam
(ORDO NEWS) — The possibility of traveling to other stars still remains only in the plane of science fiction, since interstellar distances are enormous – even light travels to the closest star to the Sun for several years. However, if we want to accelerate a spaceship with people on board to near-light speeds, then we are faced with a problem that seems to be completely insurmountable – a large mass.…
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Elon Musk said that SpaceX launches satellites with lasers into orbit
(ORDO NEWS) — SpaceX founder Elon Musk has revealed that recently launched satellites have “lasers”. Reported by the Daily Star. The entrepreneur and founder of Tesla tweeted a photo of Starlinks that garnered nearly 80,000 likes in less than a day. His tweet garnered many responses, most of which referenced Austin Powers’ infamous “laser” scene. One Twitter user referred to the scene saying, “Fucking satellites with lasers attached to their…