Tottenham defender Ryan Sessegnon has been left devastated by his recent hamstring injury – but has vowed to come back stronger than ever. Spurs confirmed on Tuesday that Sessegnon had undergone surgery on his left hamstring following an injury in the first week of pre-season training under new boss Ange Postecoglou. Left-back Sessegnon was plagued by muscle injuries last season and now faces another lengthy spell on the sidelines. “Devastated and not really sure what to say right now, but I wanted to come on here and say thank you for all the kind messages I’ve received,” he said on his Instagram page. “Hopefully this provides a light at the end of the tunnel. I feel very hungry and motivated to return stronger than ever and be back doing what I do best, for you guys.” Sessegnon made 23 appearances for Tottenham last season, but his last outing for the club occurred back in February after a hamstring injury curtained the second half of his campaign. The ex-Fulham academy graduate was over the initial problem and returned to work at Spurs on July 1, only to suffer a reoccurrence of last season’s muscle issue. It is expected surgery will be a “permanent solution” to his hamstring troubles. Sessegnon has only made 56 appearances for Tottenham since joining in the summer of 2019 and will now miss the club’s upcoming tour of Perth, Bangkok and Singapore. Earlier on Wednesday, Spurs announced they would now play local side Lion City Sailors on July 26 in the Singapore leg of their pre-season tour after previous opponents AS Roma, managed by Jose Mourinho, pulled out of their tour to Asia. Tottenham have also added another fixture to their summer schedule with the club set to face Barcelona in the 58th Joan Gamper Trophy match on August 8. The pre-season friendly will take place at Estadi Olimpic Lluis Companys – the scene of the 1992 Olympic Games – due to construction work taking place Barca’s Camp Nou stadium. Meanwhile, Harry Kane, Pierre-Emile Hojbjerg and Ivan Perisic were among the international players to return to training at Hotspur Way on Wednesday despite speculation over their futures. Read More Charity boss speaks out over ‘traumatic’ encounter with royal aide Ukraine war’s heaviest fight rages in east - follow live It has been a long time coming – Caster Semenya ‘elated’ over ECHR ruling Former Bristol and Bath back-rower Nick Koster dies at age of 34 Marketa Vondrousova prepares to take on ‘super woman’ Elina Svitolina

By David Shepardson WASHINGTON President Joe Biden plans on Thursday to nominate a former senior aviation official to

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Taylor Swift has already broken a number of records this year with her Eras Tour - and now her shows in Seattle caused seismic activity equivalent to a 2.3 magnitude earthquake. For two nights (22 and 23 July), the 33-year-old pop star performed to a record-breaking 144,000 fans at Lumen Field, in the Emerald City in what has now been described as the "Swift Quake." This has been compared to the “Beast Quake," back in 2011 when Seattle Seahawks fans reacted to Marshawn “Beast Mode” Lynch's touchdown. Sign up to our free Indy100 weekly newsletter Seismologist Jackie Caplan-Auerbach, who is a geology professor at Western Washington University noticed someone comparing the two events on a Facebook group and decided to investigate further. “I grabbed the data from both nights of the concert and quickly noticed they were clearly the same pattern of signals,” Caplan-Auerbach told CNN. “If I overlay them on top of each other, they’re nearly identical.” Seismographs are instruments used to record the motion of the ground, When looking at the difference in magnitude, the "Beast Quake" was 2.0, while the "Swift Quake" was just higher at 2.3. An earthquake of this scale is minor, it can shake the ground enough for people to notice but damage is normally limited to objects falling off shelves, according to New Scientist. Though Caplan-Auerbach noted a sizable difference between the "Beast Quake" and "Swift Quake" in terms of shaking. "The shaking was twice as strong as ‘Beast Quake’. It absolutely doubled it," the seismologist told the same publication. But in a tweet, Caplan-Auerbach considered other factors that come into play such as the music, speakers and sound system contributing to the seismic activity, not just the fans. While a reaction to a touchdown lasts for seconds, the seismologist detailed how for Swift's concerts she "collected about 10 hours of data where rhythm controlled the behavior." Swift clearly enjoyed the atmosphere at the weekend as she took to Instagram and wrote: "Seattle that was genuinely one of my favorite weekends ever. Thank you for everything. All the cheering, screaming, jumping, dancing, singing at the top of your lungs." Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.

Neil deGrasse Tyson is one of the biggest fountains of knowledge on the internet, but it turns out he’s not right about everything. One YouTuber has gone to extreme lengths to prove a point to him about helicopters, after the astrophysicist and science guru posted on Twitter about them. You might think that if an engine fails in a helicopter mid-air, then it’s naturally going to plummet to the Earth, right? That’s the sentiment Tyson posted on social media in 2015, writing: “FYI: An airplane whose engine fails is a glider. A helicopter whose engine fails is a brick.” Sign up to our free Indy100 weekly newsletter From then on, Destin Sandlin from the SmarterEveryDay YouTube channel worked to prove this “misconception” wrong. “I’m going to get into the back of that helicopter and power down the engine to really see what happens. How do we get back down to Earth?” he said in a video which has been viewed more than eight million times. STRAPPED INTO A FALLING HELICOPTER - Smarter Every Day 154 www.youtube.com Sandlin was joined by helicopter pilot Gerry Friesen, who stated that he believes landing a helicopter with an engine issue is far safer than landing an airplane with a failing motor. The idea revolves around the concept of “autorotation”, with Sandlin saying: "If the rotor blade quits turning you are going to fall like a brick – but helicopter pilots have a physics trick to keep that from happening." According to the Federal Aviation Administration, autorotation is “the state of flight where the main rotor system is being turned by the force of the relative wind rather than engine power… In this case, the potential energy of altitude is converted to kinetic energy during the descent and touchdown." As Sandlin explains in the video, there’s a biting point where the helicopter blades act like a fan on descent in “pinwheel mode”, allowing safe descent to the ground. So, there is a safe way of landing a helicopter when the engine fails – and Neil deGrasse Tyson isn’t always 100 per cent right about everything, it seems. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.

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