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Posts by Jacklin Kwan

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Particles seen emerging from empty space for first time By tracing the origins of an unusual, short-lived particle, researchers have gathered some of the strongest evidence yet that mass can emerge from fluctuations in the vacuum

By tracing the origins of an unusual, short-lived particle, researchers have gathered some of the strongest evidence yet that mass can emerge from fluctuations in the vacuum

1 week ago 20 5 1 1
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We're solving the fundamental mystery of how reality is glued together For decades, scientists have tried and failed to explain how the force that binds the heart of atoms together really works. But new mathematical tools are finally prising the problem open

For decades, scientists have tried and failed to explain how the force that binds the heart of atoms together really works. But new mathematical tools are finally prising the problem open. www.newscientist.com/article/2520...

2 weeks ago 10 3 0 0
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We're solving the fundamental mystery of how reality is glued together For decades, scientists have tried and failed to explain how the force that binds the heart of atoms together really works. But new mathematical tools are finally prising the problem open

This week's cover is a lovely piece by Michael Brooks about one of the most beautiful, and mysterious, things in physics: the origin of mass

Specifically, why do things turn up heavy if our theory predicts that they should be massless? Loved editing this one ⬇️
www.newscientist.com/article/2520...

2 weeks ago 0 0 0 0
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A once-fantastical collider could answer physics’ biggest mysteries The muon collider was once dismissed as impossible, but is now gaining steam as the successor to the Large Hadron Collider. If built, it could offer a new window to reality

Had a blast editing this feature, written by Chen Ly

The muon collider was considered largely unfeasible as a particle collider concept, but it's back on the menu for the world's post-LHC discovery machine!

Its superfans tell us why they're backing it 🔽
www.newscientist.com/article/2519...

2 weeks ago 1 0 0 0
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The world’s most elusive colour is worth billions – if we can find it The discovery of bright yet stable pigments is vanishingly rare, making them hugely valuable. Now chemist Mas Subramanian is unpicking the atomic code of colour and homing in on our most-wanted hue

The discovery of bright yet stable pigments is vanishingly rare, making them hugely valuable. Now chemist Mas Subramanian is unpicking the atomic code of colour and homing in on our most-wanted hue

1 month ago 3 2 0 0
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The daring idea that time is an illusion and how we could prove it The way time ticks forward in our universe has long stumped physicists. Now, a new set of tools from entangled atoms to black holes promises to reveal time’s true nature

I loved editing this one – we tackle one of physics’ most daring questions: what if time itself is an illusion?

New tools may finally let us test whether time is emergent and, not something fundamental. And it all starts from rethinking clocks as time engines 🤯
www.newscientist.com/article/2511...

2 months ago 1 0 0 0
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US science after a year of Trump: what has been lost and what remains A series of graphics reveals how the Trump administration has sought historic cuts to science and the research workforce.

Trump has been in office for one year. We at @nature.com did a deep dive looking at the administration's disruption of science in numbers.

Take a look—the numbers are staggering. By me, @dangaristo.bsky.social, Jeff Tollefson, @kimay.bsky.social, & help from @noamross.net @scott-delaney.bsky.social

3 months ago 504 317 10 30
Every Type of Black Hole Explained
Every Type of Black Hole Explained YouTube video by New Scientist

Was raised on a diet of science explainers growing up – SciShow, Veritasium, NileRed...

Now I’m in one. Still processing.
youtu.be/jCc1B8i_J44?...

3 months ago 4 0 0 1
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How deliberately giving people illnesses is supercharging medicine

The covid-19 pandemic opened the door to once-controversial human challenge trials. Now, volunteers are willingly catching norovirus and influenza to reveal how our immune systems really fight back

4 months ago 5 2 0 0
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How 3 imaginary physics demons tore up the laws of nature

Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today?

4 months ago 6 2 0 0
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Black hole entropy hints at a surprising truth about our universe

Two clashing ideas about disorder inside black holes now point to the same strange conclusions, and it could reshape the foundations of how we think about space and time

4 months ago 8 3 0 0

Time to make the journey and befriend the man who will soon become The Guy With The Giant Gamma Laser™

4 months ago 1 0 0 0
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Inside the wild experiments physicists would do with zero limits From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run in a world powered purely by imagination

This might be my favourite piece from 2025!

I emailed 20+ physics depts to ask: what experiment would you do if you had all the money & time? Despite research purse strings tightening, scientists are wild dreamers (cue gamma ray lasers and mega colliders) 💥
www.newscientist.com/article/2501...

4 months ago 2 1 1 1
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A revolutionary way to map our bodies is helping cure deadly diseases New tools that create ultra-precise maps of our tissues are transforming our ability to diagnose and cure once-fatal illnesses

New tools that create ultra-precise maps of our tissues are transforming our ability to diagnose and cure once-fatal illnesses

4 months ago 8 3 0 0
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Why quasicrystals shouldn’t exist but are turning up in strange places Matter with “forbidden” symmetries was once thought to be confined to lab experiments, but is now being found in some of the world’s most extreme environments

Matter with “forbidden” symmetries was once thought to be confined to lab experiments, but is now being found in some of the world’s most extreme environments.

4 months ago 2 2 0 0
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A revolutionary way to map our bodies is helping cure deadly diseases New tools that create ultra-precise maps of our tissues are transforming our ability to diagnose and cure once-fatal illnesses

Not every day that we develop cures for deadly diseases, especially ones that literally make your skin fall off 😰

You've likely never heard of the tech driving this revolution: spatial multiomics. Loved working with @michael-marshall.bsky.social for this story 🔽
www.newscientist.com/article/2504...

4 months ago 3 1 0 0

Never underestimate the lengths people will go to to find weird rocks.

5 months ago 8 1 0 0
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Also a good time to mention that I've started a rock collection, the first instalment of which is trinitite – the first atomic glass

5 months ago 3 0 1 0
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Why quasicrystals shouldn’t exist but are turning up in strange places Matter with “forbidden” symmetries was once thought to be confined to lab experiments, but is now being found in some of the world’s most extreme environments

Just edited this fantastic feature by @elisecutts.bsky.social: quasicrystals are turning up in meteorites, lightning strikes and even the aftermath of the Trinity test ⚛️

A wild detective story about forbidden symmetries hiding in extreme places
www.newscientist.com/article/2503...

5 months ago 10 2 1 1
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The 30-year fight over how many numbers we need to describe reality In 1992, three physicists began an argument about how many numbers we need to fully describe the universe. Their surprisingly long-running quarrel takes us to the heart of what’s truly real

In 1992, three physicists began an argument about how many numbers we need to fully describe the universe. Their surprisingly long-running quarrel takes us to the heart of what’s truly real

5 months ago 8 4 0 0

The lymphatic system is one of those things I always pretended to understand

How can something so familiar still be so mysterious? Luckily this excellent feature by Carissa answers the questions I've been too scared to ask 🙏

5 months ago 1 0 0 0
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People Who Say They’re Experiencing AI Psychosis Beg the FTC for Help The Federal Trade Commission received 200 complaints mentioning ChatGPT between November 2022 and August 2025. Several attributed delusions, paranoia, and spiritual crises to the chatbot.

bombshell reporting from @carolinehaskins.bsky.social on the FTC complaints people have filed in the last year asking for help with AI psychosis:

5 months ago 73 17 1 1
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The 30-year fight over how many numbers we need to describe reality In 1992, three physicists began an argument about how many numbers we need to fully describe the universe. Their surprisingly long-running quarrel takes us to the heart of what’s truly real

Had a blast writing this feature for @newscientist.com 💜

So much of physics seems to revolve around measuring constants to an eye-watering precision. This feature really made me appreciate how these numbers connect to nature
www.newscientist.com/article/2498...

6 months ago 11 2 1 0
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The 30-year fight over how many numbers we need to describe reality In 1992, three physicists began an argument about how many numbers we need to fully describe the universe. Their surprisingly long-running quarrel takes us to the heart of what’s truly real

How many fundamental constants are there? Turns out that's a tricky question! Great feature from @jacklinkwan.bsky.social www.newscientist.com/article/2498...

6 months ago 3 1 0 0
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How faster-than-light explosions could reveal the universe’s secrets Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to understand the mysteries of neutron stars, gamma ray bursts and more

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to understand the mysteries of neutron stars, gamma ray bursts and more

6 months ago 10 1 0 1
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How faster-than-light explosions could reveal the universe’s secrets Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to understand the mysteries of neutron stars, gamma ray bursts and more

Nothing can travel faster than light – but there are some pretty convincing illusions in the universe that appear to do so.

From light echoes to backwards explosions, what can we learn from these unusual superluminal events?

Story by me in @newscientist.com

www.newscientist.com/article/2495...

6 months ago 24 8 1 0
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How faster-than-light explosions could reveal the universe’s secrets Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to understand the mysteries of neutron stars, gamma ray bursts and more

Physics cements c as the ultimate speed limit, but I learnt that apparent superluminal motion is all around us, including when you flick on the lights

These illusions are helping us study the big lights in the sky

Amazing reporting by @astrojonny.bsky.social
www.newscientist.com/article/2495...

6 months ago 1 0 1 0

Gorgeous isn't it! It's meant to be this hidden geometric "terrain" inside solid crystals that steer how electrons navigate inside materials

7 months ago 1 0 0 0
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Who knew that my first New Scientist cover would be as an editor!

Not too late to find out how scientists are mapping the hidden quantum world inside materials ▶️ bit.ly/47NEx6Z

7 months ago 5 0 1 0
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We’ve glimpsed the secret quantum landscape inside all matter A strange kind of geometry governs how particles move inside matter. Now, for the first time, physicists have uncovered its full shape – and it could transform how we design materials

Physicists have measured the 'quantum geometric tensor' – a thing most people have never heard of but that may shapes the hidden world of all materials

Had the pleasure of working with the brilliant @kpc.bsky.social for my first cover for @newscientist.com ⚛️
www.newscientist.com/article/2494...

7 months ago 1 1 0 0