Strange things may be afoot at the Circle-K, but they don’t compare to what’s going on in a new video featuring the narration of Keanu Reeves in which actor Paul Rudd challenges physicist Stephen Hawking to a game of quantum chess.

The video, directed by Reeves’ “Bill & Ted’s Excellent Adventure” buddy Alex Winter, was featured at a quantum science event at Caltech called One Entangled Evening. According to Caltech, the quantum chess match is “a version of the classic game of strategy that follows the rules of probability and uncertainty and treats each piece as a quantum particle.”

Highlights of the video include Rudd asking Siri to call Hawking, who is, of course, shown watching a YouTube video of a cat in a monkey suit eating a banana. After Hawking accepts the chess challenge he tells Rudd, “See you online, 5 p.m. GMT.”

“GMT?  What does GMT mean? Is that like LOL or something?” Rudd replies.

According to Caltech, Institute of Quantum Information and Matter (IQIM) scientists consulted on Rudd’s 2015 film, “Ant-Man”— which explores the quantum realm — and were instrumental in developing the script.

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