Gold melts at room temperature

Researchers are observing completely new phenomena in the precious metal In a strong electric field, the tip of this gold cone melts - at room temperature. Er Alexander Ericson Read out Surprising discovery: researchers have for the first time succeeded in melting gold at room temperature through an intense electric field
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First lens for extreme ultraviolet light

Helium gas beam bundles or scatters XUV light like a refractive lens A beam of helium atoms acts like a lens - allowing it to focus the high-energy XUV radiation. © Max Born Institute Berlin Read out Optical breakthrough: Researchers have for the first time developed a lens that can focus or diffuse extreme UV light.
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Why Ant Man should suffocate

Shrunken superheroes have a problem with oxygenation The Marvel superhero "Ant-Man" can shrink to insect size. What problems that would cause him, physicists have now investigated. © W1000 / CC-by-sa 2.0 Read out Super heroes with shortness of breath: the miniaturized Marvel superheroes "Ant-Man" and "Wasp" would have a big problem - if these comic and movie characters really existed.
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The "original kilogram" has served its day

General Conference for Measure and Weight approves new system of units Now it is official: The General Conference for Measures and Weights in Paris has adopted the new International System of Units. © A. Nicolaus / PTB Read out Turning point in physics: In Paris, the revision of the International System of Units was adopted on 16 November.
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First aircraft with ion wind drive

Prototype flies with electric thrust - without propeller or turbine The ion wind aircraft on maiden flight - it gets its thrust without propellers or nozzles. © Steven Barrett / Nature Read out Historic maiden flight: For the first time, a plane with a propeller without propeller or nozzles flew - a world premiere.
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Single crystals of metal

An amazingly simple method converts polycrystalline films into single crystals Annealing in the Spzial oven turns a polycrystalline metal foil into a single crystal © Institute for Basic Science Read out A single-crystal film: Researchers have developed an amazingly simple way to turn ordinary polycrystalline metal foils into valuable single crystals.
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Whimsical: Formula for the perfect pizza

Researchers determine the physical background of pizza baking The traditional pizza oven is heated with wood, the fire burns in the same stone vault, in which also the pizza bakes. © wundervisuals / iStock Read out Crispy, thin and with a juicy topping: That's how the perfect pizza should be. What physics is behind the optimal pizza and what role it plays the oven, scientists have now recalculated.
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Massive vulnerability in the Apple iOS

Simple hacker attack can cause the devices to crash, update strongly recommended A vulnerability allows hackers to hack iOS devices and cause them to crash. © Secure Mobile Networking Lab / TU Darmstadt Read out Crash on Commando: Researchers have discovered a significant vulnerability in the Apple iOS 12 operating system - potentially affecting more than half a billion smartphones and iPads.
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Europe builds largest quantum computer

EU project to develop a quantum computer with 100 qubits in three years By 2021, the most powerful quantum computer in Europe will be developed - with 100 qubits. © sakkmstre / iStock Read out Ambitious goal: Within the next three years, the world's most powerful quantum computer is to be created in Europe - a computer with 100 qubits and superconducting circuits.
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Drone bounces on plane - these are the consequences

Experiment contains damage by collision with an aircraft wing Deep hole in the wing: Aircraft wing after the impact of a quadrocopter © University of Dayton Read out Fatal Consequences: If a drone collides with an airplane, it can cause surprisingly serious damage, as experiments show. When a quadrocopter hit the front of the aircraft wing, it penetrated deep into the component and damaged the main girder.
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Elektron: And it's round!

The most accurate measurement of the electric dipole moment so far speaks against "new physics" Should there be particles and processes beyond the standard model, this would have to be reflected in the form of the electron. © Nicolle R. Fuller / NSF Read out Setback for "alternative physics": The most accurate measurement of the electron so far speaks against the existence of physics beyond the standard model.
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Fastest camera in the world films laser pulse

"T-CUP" technology makes ten trillion high-resolution recordings per second Complex Design: Components of the Ultrafast T-CUP Camera © INRS Read out Faster than a laser pulse: Researchers have developed a new high-speed camera that can capture even the flight of a laser pulse in unprecedented resolution.
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Stopwatch for the quantum leap

For the first time physicists determine the absolute duration of Einstein's photoelectric effect The photoelectric effect: If high-energy light strikes atoms, the excitation catapults electrons out of their orbits. © TU Vienna Read out Light-matter interaction cracked: Researchers have for the first time measured how fast a quantum leap occurs - the excitation and emission of an electron by light.
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Secret messages for Alexa and Co.

Hidden audio commands can manipulate voice assistants Voice-assisted assistants like Alexa are practical but easy to manipulate, researchers now prove. © Petmal / iStock Read out Inaudible manipulation: The speech recognition of Alexa, Cortana, Siri and Co can be a gateway for subtle manipulation, as German IT researchers have discovered.
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Chemistry: Are there "spirits ties"?

Sophisticated manipulation brings atoms to chemical bond with empty space This is what the spirit bond looks like: A hydrogen atom (red) in the Rydberg state binds with an empty spot in the RAUM. © M. Eiles / Purdue University Read out Binding without a partner: Researchers have presented an impossible phenomenon: the chemical bonding of an atom to nothing.
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Mysterious change of shape in the mercury atom

Jumps in the nuclear form detected in certain mercury isotopes The atomic nuclei of mercury bounce between round and oval, depending on the number of neutrons. © CERN Read out Unique Phenomenon: The atomic nucleus of mercury is a real shape-changer - it jumps back and forth between a round and an elliptical shape depending on the number of its neutrons, as an experiment reveals.
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Nobel Prize in Physics for tools made of light

Award for inventors of optical tweezers and ultrafast laser pulses The Nobel Prize for Physics goes to three researchers who have revolutionized laser physics. © Frater / Nobel Foundation Read out The Nobel Prize for Physics 2018 goes to three researchers who have revolutionized laser physics. Arthur Ashkin gets half the price for the invention of optical tweezers - a method to manipulate bacteria, viruses and even atoms with laser beams.
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Excursion destination "experimenta" laboratory world

Science Center invites school classes to experiment In the labs of the "experimenta", participation rather than just watching is announced. © experimenta gGmbH Read out Access only for scientific staff! This rule does not apply in the "experimenta": The largest science center in Germany explicitly offers school classes and other interested groups the opportunity to work in the lab.
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Hate Speech: Why algorithms fail

Typographical errors, lack of space, and taunts mislead artificial intelligences Against hate comments in the network today algorithms are used - with limited success. © bigtunaonline / iStock Read out KI against hate comments: An experiment reveals why many algorithms fail against hate comments on social media.
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Bots also develop prejudices

Artificial intelligences learn biased behavior even without man Artificial intelligences also develop prejudices. © Andrea Danti / thinkstock Read out Prejudiced Bots: Artificial intelligences can evidently develop prejudices even without prejudiced human input. Computer simulations with smart bots show that the computer brains take on prejudiced behavior by watching and copying other machines.
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