Quantum Soup Weird science, big ideas, no fluff.

Quantum Soup

Weird science, big ideas, no fluff.

Latest Articles

Your ISA Is Not in Two Places at Once (And Neither Is Your Overdraft)
Scepticism

Your ISA Is Not in Two Places at Once (And Neither Is Your Overdraft)

UK banks are piloting quantum computing for fraud checks, portfolio tinkering and risk models — and the marketing department has noticed. Here's what those pilots can actually do, why superposition won't rescue a 3.9% cash ISA, and how to spot a quantum-flavoured savings pitch before it reaches your statements.

Your Turntable Is Not Listening: A Sceptic’s Field Guide to Quantum Hi-Fi
Scepticism

Your Turntable Is Not Listening: A Sceptic’s Field Guide to Quantum Hi-Fi

Britain’s hi-fi aisles will happily sell you a quantum sticker, a quantum chip, or a quantum spray. We ask what the word is doing there, why room-temperature decoherence is not a vibe, and how to run a blind test without ruining a Saturday.

The Skip Doesn't Take Helium: Britain's Quantum Decommissioning Blind Spot
Scepticism

The Skip Doesn't Take Helium: Britain's Quantum Decommissioning Blind Spot

Britain's quantum labs are very good at getting exotic hardware in through the door. The exit strategy is murkier: dead prototypes, cold fridges, helium accounting and a waste chain that rarely makes the press release. As of November 2026, the sector's green pitch still has a skip-shaped hole in it.

The Appointment Lottery Has a Spreadsheet: Auditing Britain’s Quantum Scheduling Sales Pitch
Scepticism

The Appointment Lottery Has a Spreadsheet: Auditing Britain’s Quantum Scheduling Sales Pitch

Another year of waiting-list pressure, another vendor promising that quantum optimisation will fix the diary. We separate honest combinatorial software from a classical heuristic wearing a lab coat — and hand you a procurement checklist that fits on a lanyard.

Swingometer, Interrupted: Why the Next Election Won't Be Decided by a Qubit
Scepticism

Swingometer, Interrupted: Why the Next Election Won't Be Decided by a Qubit

Every few years someone wheels out a graphics desk, a giant arrow and a promise that quantum computers will soon call elections before the returning officer does. Here's what quantum algorithms can genuinely do with polling data — and why your voting intention is not a wavefunction with a bad attitude.

The Kettle Before the Qubit: Putting a Meter on Britain's Quantum Power Bill
Scepticism

The Kettle Before the Qubit: Putting a Meter on Britain's Quantum Power Bill

Quantum computers are sold as tiny miracles of cold and silence, but the meter behind the lab never stops spinning. We tot up the likely electricity tab for a UK quantum facility, compare it with a terraced house, and ask whether the net-zero brochure survives a spreadsheet.

The 08:14 to Leeds Does Not Need a Qubit: A Sceptic’s Guide to Quantum Rail Hype
Scepticism

The 08:14 to Leeds Does Not Need a Qubit: A Sceptic’s Guide to Quantum Rail Hype

Every few months, someone suggests quantum computers will untangle Britain’s rail timetable. They won’t — not like that. Here’s what railway optimisation actually involves, where the hype outruns the hardware, and what a qubit might realistically do by the 2030s.

The Compost Heap Conundrum: What Runner Beans Teach Us About Keeping Qubits Alive
Scepticism

The Compost Heap Conundrum: What Runner Beans Teach Us About Keeping Qubits Alive

Your allotment is a masterclass in redundancy, patience and damage limitation — which makes it a surprisingly good guide to quantum error correction. It is also a handy place to spot garden-centre hype in its natural habitat.

Last Orders for Spooky Action: A Pub Guide to Quantum Correlation
Scepticism

Last Orders for Spooky Action: A Pub Guide to Quantum Correlation

Buying a round creates correlations, but not entanglement. This pub-side explainer separates genuine quantum links from ordinary coincidence, social obligation and the phrase 'quantum-entangled' on a drinks menu.

The Long Shelf Life of Secrets: Britain's Encrypted Data and the Quantum Cupboard
Scepticism

The Long Shelf Life of Secrets: Britain's Encrypted Data and the Quantum Cupboard

Encrypted files are being stockpiled today in the hope that a future quantum computer can open them tomorrow. Here's what that means for UK organisations, which risks are real, and why 'quantum-proof' is a phrase to treat like a pub boast.

One-Way Brew: A Mug's Guide to Quantum Heat
Kitchen Physics

One-Way Brew: A Mug's Guide to Quantum Heat

Your tea never un-stirs itself, and that stubborn one-wayness is a surprisingly good doorway into quantum thermodynamics. We take a brew to the edge of the second law, peer at Britain's microscopic heat-engine labs, and ask whether quantum heat is real engineering or just kettle-based marketing.

Help Wanted: Must Remain Calm Near a Dilution Fridge
Scepticism

Help Wanted: Must Remain Calm Near a Dilution Fridge

Britain's quantum strategy loves a qubit milestone, but the sector's real bottleneck is less photogenic: technicians who can keep the coldest kit in the country running. We go looking for the quantum plumbers — and ask whether the UK is training a workforce or just publishing a wish list.

Certified Shuffle: Why a Quantum Dice Roll Still Won't Pick Your Numbers
Scepticism

Certified Shuffle: Why a Quantum Dice Roll Still Won't Pick Your Numbers

Quantum random number generators are genuinely, provably unpredictable — which is a real engineering achievement and completely useless as a lucky charm. A sceptical look at what 'certified randomness' buys a lottery, and why fair is a different word entirely.

The Robin's Retina Is Not a Quantum Computer (Probably)
Scepticism

The Robin's Retina Is Not a Quantum Computer (Probably)

A garden robin may be carrying a chemical compass that borrows a quantum trick or two — or it may just be judging you through the window. We pick apart the cryptochrome story, the radical-pair chemistry, and the hype that turns every bird into a quantum navigator.

Bring a Brolly, Not a Collapse: The Forecasters' Guide to Quantum Maybe
Scepticism

Bring a Brolly, Not a Collapse: The Forecasters' Guide to Quantum Maybe

British weather forecasts are a masterclass in honest uncertainty: a 40% chance of rain is not a promise, a fudge or a failure. Quantum hype could learn plenty from the Met Office's habit of saying maybe — and from our national willingness to pack an umbrella anyway.

Gravity's Ground Truth: The Quantum Sensor That Can See a Pipe Without X-Ray Eyes
Quantum Sensing

Gravity's Ground Truth: The Quantum Sensor That Can See a Pipe Without X-Ray Eyes

Atom interferometry is turning gravity into a surveying tool, with UK trials hunting leaks, voids and buried archaeology without a spade in sight. Here is how quantum gravity sensors work — and where the X-ray vision claims need a hard hat.

The Cosmic Autocorrect: Why Quantum Computers Need Proofreaders, Not Cheerleaders
Scepticism

The Cosmic Autocorrect: Why Quantum Computers Need Proofreaders, Not Cheerleaders

Quantum machines are not magic calculators; they are delicate systems that make mistakes faster than a tired subeditor. Here is how error correction really works, why logical qubits matter, and how to translate the UK's latest milestone announcements without losing your patience.

The Compass With a Cold: Britain's Satellite-Free Navigation Trials and the Salt-Shaker Rule
Quantum Sensing

The Compass With a Cold: Britain's Satellite-Free Navigation Trials and the Salt-Shaker Rule

Britain is testing quantum accelerometers and magnetometers for navigation when satellite signals fail, from Royal Navy trials to cargo ships and underground mapping. Here is how the sensing works, what has actually been demonstrated, and why 'GPS-free' needs a very large pinch of salt.

Lab Coat, Meet Laptop: Britain's Quantum-Inspired Software Boom and How to Audition It
Scepticism

Lab Coat, Meet Laptop: Britain's Quantum-Inspired Software Boom and How to Audition It

A sceptical tour of the UK's growing market for quantum-inspired software in finance, logistics and drug discovery. We separate classical code with genuine quantum ancestry from a very expensive coat of paint, and offer a three-question test for telling the difference.

'Unhackable' Is Doing an Awful Lot of Work: A Field Guide to Britain's Quantum Internet
Scepticism

'Unhackable' Is Doing an Awful Lot of Work: A Field Guide to Britain's Quantum Internet

Britain has spent public money on quantum key distribution testbeds, fibre links and BT trials, and the word 'unhackable' has been attached to all of it like a badge. Time to pop the bonnet, look at the trusted nodes, and explain why the honest version of the story is smaller and stranger than the headline.