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Flickering flames

Flames that don't flicker could make engines more efficient

25 January 2023

Producing flickerless flames usually requires artificially low pressure or gravity. Researchers have now come up with a method that works in standard conditions and could help make engines more efficient


An image of microscopic disks that were transferred onto various grains of pollen.

Candy-like mixture can print patterns on microscopic objects

24 November 2022

Patterns of microscopic discs, rings or letters can be added to microrobots or stretchy electronics with a dissolved sugar mixture


Why old school technology could shape the future of digital computing

Why old school technology could shape the future of digital computing

22 July 2020

Analogue computers were abandoned half a century ago. But to push past the limits of modern day devices, it may be time for a blast from the past


Jess Wade: The magic of mirror molecules and incredible nanostructures

Jess Wade: The magic of mirror molecules and incredible nanostructures

28 April 2020

From wearable sensors to solar panels, we are developing new materials from the stuff of peacock feathers and butterfly wings. Physicist Jess Wade shows how.


NASA engineer's 'helical engine' may violate the laws of physics

NASA engineer's 'helical engine' may violate the laws of physics

11 October 2019

A NASA engineer has published plans for an engine that could accelerate a rocket without using propellant. But there are questions over whether it could work


Real-life Iron Man on what it's like to fly a Jet Suit

Real-life Iron Man on what it's like to fly a Jet Suit

25 September 2019

A childhood spent building rockets helped Sam Rogers become the person who flies in a gas-turbine-powered Jet Suit


Great moments in engineering

Great moments in engineering

1 February 2019

Australia’s national treasure Dr Karl on making “free electricity”, Murphy’s law, engineering in childbirth and other “strange engineering”


Supersonic aircraft

Will supersonic air travel's return be another white elephant?

18 December 2017

Fifty years after the unveiling of Concorde – the flawed, first supersonic airliner – its successors are coming. Maybe they’ll be the real deal, says Paul Marks


A 'magic number' of people walking across a bridge makes it sway

A 'magic number' of people walking across a bridge makes it sway

10 November 2017

We thought walking in lock step made bridges sway, like London’s Millennium Bridge when it opened. But it turns out crowd size matters more than rhythm


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