This was because the clear glass allowed UV rays to penetrate the beer and alter the flavour. The solution was turning bottles brown, a darker colour which would block out the rays. After World ...

What's behind the 'pop and slosh' when opening a swing-top bottle of beer?. ScienceDaily . Retrieved April 14, 2025 from www.sciencedaily.com / releases / 2025 / 03 / 250318141014.htm ...