Here, this should explain it in a bit more detail: https://physics.aps.org/articles/v11/34 https://physics.aps.org/articles/v11/34 It's written by someone more

Here, this should explain it in a bit more detail: https://physics.aps.org/articles/v11/34 https://physics.aps.org/articles/v11/34 It's written by someone more interested in conveying truth than hyping a null result, so it even mentions a woman was involved in inventing it! (rather than the copywriter who instead just mentions the man that gave it a name).