I recall that during one walk Einstein suddenly stopped, turned to me and asked whether I really believed that the moon exists only when I look at it.

And if their results, first reported earlier this year, hold up to scrutiny, the Bohmian view of quantum mechanics—less fuzzy but in some ways more strange than the traditional view—may be poised for a comeback.

When the experiment is carried out, the electrons behave like waves, creating on the screen a particular pattern called an interference pattern.

A significant blow came with the paper known as ESSW, an acronym built from the names of its four authors.

According to Englert, now at the National University of Singapore, the Bohm trajectories exist as mathematical objects but lack physical meaning.

I could understand a universe where nothing can go faster than light, but a universe where the internal workings operate faster than light, and yet we re forbidden from ever making use of that at the macroscopic level—it s very hard to understand.

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