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Best use for sunlight navigation device

27 December 2023

Alastair Reynolds: An exclusive short story for 91av

13 December 2023

Lottie and the River is a moving vision of the future from astrophysicist turned award-winning science fiction author Alastair Reynolds

The spy balloon saga of 2023 inflated US-China political tensions

13 December 2023

One of the year’s most unexpected controversies exploded after a US fighter jet shot down a Chinese balloon that drifted across North America – it also sparked fears over other unidentified flying objects

Supercomputer that simulates entire human brain will switch on in 2024

12 December 2023

A neuromorphic supercomputer called DeepSouth will be capable of 228 trillion synaptic operations per second, which is on par with the estimated number of operations in the human brain

Robotic mouse with flexible spine moves with greater speed and agility

6 December 2023

Most robots lack a flexible spine, so researchers created a 3D-printed mouse with the ability to bend its back and found that it could move faster

‘Insect-eye’ compass can navigate by the sun even on a cloudy day

27 November 2023

By mimicking how some insects use polarised light to navigate, a light-detecting compass can tell where magnetic north is even if clouds are covering the sun

Drone delivers defibrillators for cardiac arrest faster than ambulance

22 November 2023

People who have gone into cardiac arrest can get treatment faster if a drone delivers a defibrillator, but there needs to be someone nearby trained in CPR, shows a trial in Sweden

How the US and China talking AI safety could reduce nuclear war risk

16 November 2023

At a meeting between US president Biden and China president Xi, there was agreement on the need for more US-China government talks on AI safety

Ukrainian AI attack drones may be killing without human oversight

13 October 2023

Ukraine is using drones equipped with artificial intelligence that can identify and attack targets without any human control, in the first battlefield use of autonomous weapons or "killer robots"

The Amazon may contain thousands of undiscovered ancient structures

5 October 2023

Archaeological surveys have uncovered earthworks built by pre-Columbian societies across the Amazon, suggesting the rainforest isn't as pristine as we once thought