Today’s coronavirus news: Ontario theaters facing “arbitrary and unreasonable” reopening restrictions; Tokyo records most virus cases in two months

The last Coronavirus news from Canada and around the world on Saturday. This file will be updated throughout the day. Web links to longer stories if available. 8:40 am: California will require masks to be worn in schools when classrooms open this fall, despite new guidelines released Friday by the …

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Toyota and Mitsubishi Chemical use IBM quantum computer

Nikkei has learned that a group of Japanese companies, including Tokyo-Toyota, have started using IBM quantum computers and are looking for new ways to apply next-generation computers for industrial purposes. Toyota, Mitsubishi Chemical and 10 other companies plan to jointly use quantum computers for commercial purposes. One possibility is to …

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