The blue whale: the world's most versatile measuring stick?
9 April 2025
Feedback is delighted to hear from a reader who proposes an ingenious new unit of data – but we have some quibbles with the maths
-
Subject
-
Section
-
Type
-
Topics
-
Author
-
Issue
-
Premium
Found 39 results for alice bob
Our writers pick the 26 best science fiction short stories of all time
20 December 2024
We asked Â鶹´«Ã½ writers to pick their favourite sci-fi short story. From H.G. Wells’s The Time Machine to Octavia E. Butler’s Bloodchild, via stories from George R. R. Martin and Ursula K. Le Guin, here are the results
How Schrödinger's cat could make quantum computers work better
6 May 2024
A quantum bit inspired by Schrödinger’s cat can resist making errors for an unprecedentedly long time, which makes it a candidate for building less error-prone quantum computers
Is Pluto a planet? The Spanish government's tax portal says it is
19 January 2022
An online security test stumbles upon a fierce debate, plus loud and inebriated birds, in Feedback’s weekly round-up
A lazy fix 20 years ago means the Y2K bug is taking down computers now
7 January 2020
The millennium bug is back with a vengeance, after programmers in the 1990s simply pushed the problem back by 20 years
Quantum experiment suggests there really are ‘alternative facts’
22 February 2019
A complex probe of the foundations of quantum mechanics suggests that the nature of reality depends on who is looking – there are no objective facts we can agree on
Quantum cheques could be a forgery-free way to move money
10 July 2017
Using IBM’s cloud-based quantum computer, researchers have shown that it’s possible to create ultra-secure cheques with quantum technology
Chinese satellite beats distance record for quantum entanglement
15 June 2017
Entangled photons survived transmission to locations 1200 kilometres apart on Earth, a feat that could kick off the use of quantum satellites for secure communications
Google's neural networks invent their own encryption
26 October 2016
Using machine learning, computers have come up with codes that let them send secret messages to each other – but they’re still a long way off humans
Quantum teleportation over 7 kilometres of cables smashes record
19 September 2016
Two groups have set a new record for quantum teleportation, setting the stage for encoded communications networks that stretch between cities
