General
impact 15
An electrifying test to find a good coffee
An electrifying test to find a good coffee Nature, Published online: 30 April 2026; doi:10.1038/d41586-026-01289-y Technique determines roast level and strength by applying voltage to the brew.
Why it matters
The electrifying angle matters most here. If confirmed, expect ripple effects across test and related sectors.