When you finally get home after a hard day’s work, the whistle of a stove-top kettle can be a truly comforting sound. Until now, scientists have been unable to explain what makes the noise. But a ...
British physicist Lord Rayleigh is best known for his discovery of argon and for explaining, in 1871, why the sky is blue. But he also puzzled over this: [sound of a kettle whistling]. Rayleigh knew ...
The source and mechanism of a whistling kettle has never been fully described scientifically; acknowledging the vibrations made by the build-up of steam escaping through two metal spout plates is ...
Forget what the fox says. Until recently, the bigger mystery was why the kettle whistles. The high-pitched note emitted by hot kettles has puzzled scientists for more than a century, but thanks to two ...
An Indian aero acoustics scientist has finally worked out why and how a kettle actually whistles–a problem which has puzzled scientists for more than 100 years. An Indian aero acoustics scientist has ...