London: Stephen Hawking’s final scientific paper, which was completed days before the British physicist’s death-has been written and posted online by his colleagues at Cambridge and Harvard universities. The paper named Black Hole Entropy and Soft Hair, tackles with what happens to information when it falls into a blackhole, a problem that theoretical physicists refer to as ‘the information paradox’. It was completed in the days before Hawking’s death in March, and has now been written up by his colleagues at and posted online. PTI
Islam’s holy cities get high-speed rail link
Jeddah: Saudi Arabia’s new high-speed railway opened to the public on Thursday, whisking Muslim pilgrims and other travellers between Mecca and Medina, Islam’s holiest cities. The Haramain High Speed Rail system will transport passengers 450 km via the Red Sea port of Jeddah at speeds of up to 300 km per hour. Two trains, each carrying 417 passengers, departed from Mecca and Medina at 8 am (0500 GMT). Two daily services are initially planned in each direction, it said. The new link will slash the travel time Mecca and Medina from several hours to 120 minutes, transport officials said. AFP
Chris Hemsworth’s solo selfish mission
Los Angeles: Actor Chris Hemsworth says he “selfishly” asked his wife and actress Elsa Pataky and children not to visit him so he could focus on work. In an interview to GQ Australia, Hemsworth said he asked his family not to visit him for three-and-a-half weeks while he was working on “Bad Times at the El Royale”, reports dailymail.co.uk. The 35-year-old shares three children-daughter India, and twin sons Sasha and Tristan-with Pataky. Hemsworth is best known for his superhero avatar as Thor. The third instalment of the “Thor” franchise “Thor: Ragnarok” was a success in India and globally. IANS
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