Claims: Interstellar solar sails hit a strange problem at 75% of light speed

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1. title: Interstellar solar sails hit a strange problem at 75% of light speed (alleges; supported) Source
2. url: https://www.sciencedaily.com/releases/2026/08/260831015157.htm (alleges; supported) Source
3. summary: Solar sails pushed by powerful lasers could reach incredible speeds, but relativity may eventually make the light itself work against them. At around 75% of the speed of light, scattered photons can begin creating drag, adding a surprising obstacle to interstellar travel. (alleges; supported) Source
4. published: Wed, 02 Sep 2026 10:51:21 EDT (alleges; supported) Source