Abstract
The accelerating expansion of the universe could be explained by modifying general relativity so that gravity has mass – or so thinks a small group of physicists. Matthew Francis reports.
Feature
Might gravity have mass?
Matthew R Francis1
Published under licence by IOP Publishing Ltd
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Citation Matthew R Francis 2016 Phys. World 29 (2) 24
DOI 10.1088/2058-7058/29/2/30
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2058-7058/29/2/24