Flames that don't flicker could make engines more efficient
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
![Flames that don't flicker could make engines more efficient](https://images.newscientist.com/wp-content/uploads/2023/01/25164714/SEI_141549428.jpg)