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2018 Nobel Prize for physics goes to tools made from light beams – a particle physicist explains

2018 Nobel Prize for physics goes to tools made from light beams – a particle physicist explains The 2018 Nobel Prize for physics recognized discoveries that can make more powerful lasers. ledinka / Shutterstock.com Todd Adams, Florida State University Arthur Ashkin. Niklas Elmehed. © Nobel Media, CC BY-SA Gerard Mourou.…

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Captured: approximately 15,000 galaxies (12,000 of which are star-forming) widely distributed in time and space. NASA, ESA, P. Oesch (University of Geneva), and M. Montes (University of New South Wales)

Game-changing resolution: whose name on the laws of physics for an expanding universe?

Game-changing resolution: whose name on the laws of physics for an expanding universe? Captured: approximately 15,000 galaxies (12,000 of which are star-forming) widely distributed in time and space. NASA, ESA, P. Oesch (University of Geneva), and M. Montes (University of New South Wales) Krzysztof Bolejko, University of Sydney Astronomers are…

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Curious Kids: how does gravity pull things down to Earth?

Curious Kids: how does gravity pull things down to Earth? What goes up, must come down. Shutterstock. Monica Grady, The Open University This is an article from Curious Kids, a series for children of all ages. The Conversation is asking young people to send in questions they’d like an expert…

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In physics, a famous paradox that hangs by a thread of light…

In physics, a famous paradox that hangs by a thread of light… file pwxht. Arnaud Mussot, Université de Lille – ULNE; Matteo Conforti, Université de Lille – ULNE, and Stefano Trillo, University of Ferrara Imagine a metal bar that has been heated at one end. Instead of the heat gradually…

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In fact, some things are slowing the Earth down or could change its spinning in the future. Shutterstock

Curious Kids: What makes the Earth spin on its axis every day?

Curious Kids: What makes the Earth spin on its axis every day? In fact, some things are slowing the Earth down or could change its spinning in the future. Shutterstock Jacinta den Besten, University of Melbourne This is an article from Curious Kids, a series for children. The Conversation is…

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Harrison Ford as Han Solo with his blaster in the old Star Wars triology. BagoGamesFlickr, CC BY-SA

Versions of Han Solo’s blaster exist – and they’re way more powerful than real lightsabers would be

Versions of Han Solo’s blaster exist – and they’re way more powerful than real lightsabers would be Harrison Ford as Han Solo with his blaster in the old Star Wars triology. BagoGamesFlickr, CC BY-SA Martin Archer, Queen Mary University of London People who think physics is boring couldn’t be more…

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How does our world work on a subatomic level? Varsha Y S, CC BY-SA

The Standard Model of particle physics: The absolutely amazing theory of almost everything

The Standard Model of particle physics: The absolutely amazing theory of almost everything How does our world work on a subatomic level? Varsha Y S, CC BY-SA Glenn Starkman, Case Western Reserve University The Standard Model. What dull name for the most accurate scientific theory known to human beings. More…

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Out there in space there is no air. Cindy Zhi NY-BD-CC, CC BY-SA

Curious Kids: Why do you have to wear a helmet in space?

Curious Kids: Why do you have to wear a helmet in space? Out there in space there is no air. Cindy Zhi NY-BD-CC, CC BY-SA David Blair, University of Western Australia This is an article from Curious Kids, a series for children. The Conversation is asking kids to send in…

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An illustration of the two 20-micrometre-wide vibrating drumheads, each composed of trillions of atoms, in an entangled quantum state of motion. Petja Hyttinen and Olli Hanhirova, ARKH Architects Ltd., Author provided

Experiment shows Einstein’s quantum ‘spooky action’ approaches the human scale

Experiment shows Einstein’s quantum ‘spooky action’ approaches the human scale An illustration of the two 20-micrometre-wide vibrating drumheads, each composed of trillions of atoms, in an entangled quantum state of motion. Petja Hyttinen and Olli Hanhirova, ARKH Architects Ltd., Author provided Matt Woolley, UNSW Quantum physics is often defined as…

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For the Earth, which is shaped like a ball, the force of gravity pulls you to the centre from every point on the ground. Cindy Zhi/The Conversation NY-BD-CC, CC BY-SA

Curious Kids: If Australia is at the bottom of the world, why are we the right way up?

Curious Kids: If Australia is at the bottom of the world, why are we the right way up? For the Earth, which is shaped like a ball, the force of gravity pulls you to the centre from every point on the ground. Cindy Zhi/The Conversation NY-BD-CC, CC BY-SA  Jacinta den…

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Looking up in the main chamber at SNOLAB’s facility in the Vale Creighton nickel mine in Sudbury, Ont., a giant spherical neutrino sensor array the size of a 10 storey building is used to detect subatomic particles that pass through the earth. (Handout)

How scientists unlock secrets of the universe from deep underground

How scientists unlock secrets of the universe from deep underground Looking up in the main chamber at SNOLAB’s facility in the Vale Creighton nickel mine in Sudbury, Ont., a giant spherical neutrino sensor array the size of a 10 storey building is used to detect subatomic particles that pass through…

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Stephen Hawking’s PhD thesis crashed its host website – here’s what it says in simple terms

Stephen Hawking’s PhD thesis crashed its host website – here’s what it says in simple terms James Geach, University of Hertfordshire The PhD thesis of perhaps the world’s most famous living scientist, Professor Stephen Hawking, was recently made publicly available online. It has proved so popular that the demand to…

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Without satellites, modern technologies such mobiles phones and GPS would not exist. Flickr/NASA Goddard Space Flight Center, CC BY-SA

Curious Kids: How do satellites get back to Earth?

Curious Kids: How do satellites get back to Earth? Without satellites, modern technologies such mobiles phones and GPS would not exist. Flickr/NASA Goddard Space Flight Center, CC BY-SA Alice Gorman, Flinders University This is an article from Curious Kids, a series for children. The Conversation is asking kids to send…

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We’re building a 1,300km-long underground science experiment to study the world’s most elusive particles

We’re building a 1,300km-long underground science experiment to study the world’s most elusive particles Shutterstock Stefan Söldner-Rembold, University of Manchester In an abandoned gold mine close to Deadwood, South Dakota, construction has started on what is arguably the world’s largest science experiment. I’m part of an international team of around…

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