A gigantic experiment in the English countryside may indicate that reality is actually a hologram, which is basically a 3-D image that has been created on a flat surface.

It’s called the GEO600 experiment and consists of a group of temporary buildings that stretch for miles, alongside trenches covered with corrugated metal. Underneath all this metal are special detectors that measure gravitational waves that are the result of things like black holes. It’s a kind of low-cost CERN.
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