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Post
Royal Institution
rigb.org
did:plc:rwzls6w6m3qnaah56fwpdqqk
In Einstein’s theory of gravity, mass and energy curve spacetime, and light travels along these curves. Astronomer Hiranya Peiris explains how we can use this effect (known as gravitational lensing) to map dark matter.
Watch the full talk here: youtube.com/watch?v=1x7BAOi5noU
2026-04-23T20:04:23.757Z