Twitter has added video calling – and left it turned on by default. The feature is now being officially rolled out, Elon Musk confirmed. He said it was an “early version” of a tool he has been hinting at for a year. Video calls are part of Elon Musk’s plans to make Twitter, which he has renamed X, into the “everything app”, offering a wide array of different functionality. For now, video calls are limited to the iOS app, and appear to be rolling out slowly. But they are also switched on by default. The system means that all accounts are liable to receive calls from accounts you follow, or those run by people whose number you have in your address book. To be able to call someone, they must have sent at least one direct message to your account. Users have the option to change that setting, however, either to switch it off or to change who has the ability to make calls. From the direct message settings, users can either disable it entirely or change it so that they can receive calls from people in your address book, from people you follow, or from all “verified” users. Making phone calls is limited to premium subscribers, who pay the monthly subscription for what was once called Twitter Blue. It can be done by opening up the DM menu to start a conversation with someone. If the feature is enabled, then a phone icon should show within the direct message conversation, and tapping audio or video will start the relevant kind of call. Users will receive a notification that they are being called, and will get another telling them they missed the call if they do not pick up. Read More The Twitter app just went very, very strange TikTok prankster Mizzy arrested ‘on suspicion of perverting course of justice’ Study finds ‘deepfakes’ from Ukraine war undermining trust in conflict footage

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Slack has been hit by issues for the second time in a week. Users reported that they were unable to see images properly – while others said they were not able to get online at all. The outage will be a disruption to the many workplaces who use the app to keep up with colleagues, especially with the rise of remote working. The problems happened during the working day in the UK and US. The technical issues came just days after another outage at the app, last week. Those problems were more significant, and users around the world were unable to sign on or send messages. This time around, the problems did not appear to be affecting all users and for most they were more limited in their scope. Slack’s official status page was updated on Wednesday to indicate that users “may be experiencing issues loading threads, admin pages and images”. It said it was investigating the issue. Tracking website Down Detector saw a huge spike in the number of people reporting issues. It was unclear if the problems were limited to specific platforms or locations. Slack says that it has more than 200,000 paid customers, which includes 77 of the Fortune 100. Those companies include some of the US’s biggest firms including Target, Uber, Expedia and Airbnb. Read More Slack has stopped working Google warns Gmail users they could be about to lose their account Hundreds of years after it was discovered, one material could change the world

Taiwan is investigating whether four of its firms broke US sanctions or its own investment rules when they provided services to Chinese companies that are reportedly helping Huawei build chip factories.

A supposed “planet nine” that lies hidden at the edge of our solar system could actually be something else entirely, according to scientists. The unexplained movement of objects at the edge of our solar system has led some to propose that they are being influenced by another world, hidden in the dark distance of our planetary neighbourhood, that they have referred to as planet nine. Objects at the far reaches of the solar system behave as if they are being pulled around by an object that we cannot see, which is probably another planet, they suggest. But a new study by researchers Harsh Mathur, a professor of physics at Case Western Reserve University, and Katherine Brown, an associate professor of physics at Hamilton College, say that those movements are instead the result of a modified law of gravity. The scientists plotted what would happen if the objects were being governed by a theory known as Modified Newtonian Dynamics or MOND. That suggests that Newton’s usual gravity only works up to a point – that in the outer regions of galaxies, for instance, gravity behaves in unusual ways. They found that the data lined up, and applying the MOND theory to the existing observations seemed to predict them exactly. “The alignment was striking,” said Professor Mathur. They note that the findings do not necessarily rule out planet nine – or another explanation for what is going on. Some researchers have suggested other explanations for what the objects could be, for instance, while others have suggested that the claimed effect is just the result of when the distant objects tend to be observed. “Regardless of the outcome, this work highlights the potential for the outer solar system to serve as a laboratory for testing gravity and studying fundamental problems of physics,” said Professor Brown. The findings are reported in a paper, ‘Modified Newtonian Dynamics as an Alternative to the Planet Nine Hypothesis’, published in The Astronomical Journal. Read More Watch live: Amazon launches first internet satellites aiming to rival Starlink Stargazing in October: A sleeping giant Prada to design Nasa’s next-gen space suits for Artemis astronauts

Biohacking is the latest wellness trend taking the internet by storm, with TikTok witnessing a staggering 316 per cent increase in searches. More notably, Bryan Johnson, the founder of KernelCo and Blueprint, has contributed to the intrigue after investing approximately $2 million per year to reduce his biological age. The 46-year-old tech tycoon recently made headlines for tracking his nighttime erections, in an attempt to reach the level of an 18-year-old. How exactly does he do that, you may ask? Well... He gives himself electric shocks in his private area. Johnson told Steven Bartlett on The Diary of a CEO podcast that nighttime erections "are actually a meaningful health indicator" because they "represent psychological health, cardiological health." While that's one extreme measure of biohacking, there are other methods behind the trend. A spokesperson for Snusboss said: "Biohacking refers to the practice of making changes to one’s biology, typically through self-experimentation and the use of technology, to enhance physical and cognitive abilities, optimize health, and achieve personal goals." “Currently #biohacking has 791 million views on TikTok, and continues to gain popularity, particularly with Millennials and Generation Z who are becoming more interested in the scientific research behind their health and wellbeing and are also open to experimenting with new techniques," he continued. Biohacking is essentially an unconventional experimental biotechnology that is believed to help improve overwell wellbeing. Here are several ways people are implementing into their lives: Ice cold plunge "Cold plunging is an aspect of cold-water therapy or cold-water immersion, which involves immersing oneself in cold water temperatures. "It is recommended to complete 11 minutes of cold-water exposure per week, which can be broken into three minutes per session. "Studies suggest 50 to 59 degrees Fahrenheit (10 to 15 degrees Celsius) to be an optimal temperature range for cold plunges focused on reducing muscle soreness. "Doing this will also help to reduce inflammation, improve circulation, and enhance recovery after exercise. It is also shown to boost the immune system, improve sleep quality and help with stress management." Optimise your sleep "If you are getting around seven to nine hours of sleep a night, you will encourage muscle growth and repair, help keep your brain alert, improve your blood sugar levels and even enhance your lifespan. "Whilst there are several tips on social media such as eating certain fruits before bed, avoiding electronic devices and avoiding alcohol, one of the most important rules of optimizing sleep is maintaining a good circadian rhythm. "This means going to bed and waking up at the same time every day, even on weekends. To do so, try maintaining a routine and try to spend time outdoors during daylight, especially in the morning. This is because natural light exposure helps regulate your body's internal clock and promotes alertness during the day. "To measure progress, you can use devices such as smartwatches that track sleep duration and quality." Regular saunas "Saunas, small rooms heated with hot air or steam, are said to have cardiovascular health benefits. "When exposed to high temperatures, the body then works to cool itself down by increasing heart rate, blood flow, and cardiac output. This is known to decrease blood pressure, leading to benefits for cardiovascular health and longevity. "For best results from this biohack, choose a temperature between 175-195F (80-90C) with 10-20 per cent humidity for 30 minutes at least three times a week." Himalayan salt in water "Electrolyte levels are important for the body to function properly. They help to balance the amount of water in your body, balance your acid/base (pH) levels and move nutrients into your cells. "Your body makes electrolytes naturally, as well as obtaining them from food, drinks and supplements. "However, if your levels drop, mineral-rich Himalayan salt contains lots of electrolytes and is proven to help detox the body, supporting kidney and liver functions. "Therefore, around one teaspoon of Himalayan salt added to one litre of water is recommended per day. "Not only will it keep you feeling energised, but also help to boost your metabolism." Moderate coffee intake "Low to moderate doses of caffeine (50–300 mg) are scientifically proven to cause increased alertness, energy, and ability to concentrate. "Science also suggests drinking two cups of coffee a day could help ward off heart failure when a weakened heart has difficulty pumping enough blood to the body. "Both regular and decaf coffee have a protective effect on the liver. Research shows that coffee drinkers are more likely to have liver enzyme levels within a healthy range than people who don’t drink coffee. "Experts say it is healthy to drink a maximum of 2.5 cups of coffee per day." Breathwork "We breathe every single day, but we often don’t even think about how we are breathing. "In times of stress, our breath automatically responds by shortening and speeding up and this can cause further strain on the body. "With breathwork practice, the body can be trained to automatically control breathing and utilize it as a calming tool during times of stress. "Breathing also directly affects how much oxygen our cells are getting, so when we deepen and slow down the breath from its usual pattern, we allow more oxygen to enter each cell. "To practice breathwork, inhale for 4 seconds and exhale for 6 seconds. Repeat this for around 10 minutes per session. For best results, do this once in the morning and once in the evening." Red Light Therapy (RLT) "Red light therapy (RLT) is a popular method used to optimize overall skin health. RLT also helps to boost muscle recovery, reduce pain and inflammation, support nervous system health, and generally increase energy levels. "For those who experience inflammation and pain with Achilles tendinitis, and have signs of skin ageing and skin damage, research shows RLT may smooth your skin and help with wrinkles. RLT is also known to help with acne scars, burns, and signs of UV sun damage. "To complete the treatment, lie in a full-body LED red light bed or pod or be treated by a professional with a device that's outfitted with panels of red lights. "Professionals recommend trying red light therapy three times per week for 10 minutes each time for a minimum of one month." How to join the indy100's free WhatsApp channel Sign up for our free Indy100 weekly newsletter 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.

LOS ALTOS, Calif.--(BUSINESS WIRE)--Sep 20, 2023--

You would think that a band named Rage Against the Machine would be pretty radical in terms of their politics, and you would be right, but that hasn’t stopped right-wingers complaining about a tweet from guitarist Tom Morello taking aim at Nazis. This is a controversial take for some conservatives, apparently. On Thursday, Morello tweeted a graphic which reads: “German saying: If nine people sit down at a table with one Nazi without protest, there are 10 Nazis at the table.” Pretty uncontroversial. As Uproxx notes, it’s not too far removed from the oft-cited quote from the late human rights activist Desmond Tutu: “If you are neutral in situations of injustice, you have chosen the side of the oppressor.” And yet, conservatives on Twitter – many of whom have paid the social media platform for a coveted blue tick – aren’t happy with the idea behind this thought experiment, with many getting angry over “communists” for some reason: They’re even kicking off under Morello’s tweet in the form of Community Notes – Twitter’s tool used to provide context to a post if it’s inaccurate. Sign up to our free Indy100 weekly newsletter One anonymous user wrote “there’s little evidence that this is actually a German saying”, before linking to a tweet citing the phrase from an actual German person named Jens Foell. Oops. And to be clear about whether or not it is actually a German saying, one Reddit thread from 2018 saw users discuss its validity, with all but one claiming they haven’t come across it. However prominent the saying may be in Germany, we’d like to think many can get behind the sentiment no matter where it came from, but looking at the tweets above, we’d be wrong… 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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