Technology
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Alien-hunters to search over 200,000 new stars
Are aliens hiding in plain sight? Scientists are widening the search for life on other planets, but some argue we will never find it because we have no idea of what we are looking for.
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Coming soon – the day when we live forever
Should we be excited about the future? A podcast by academic technologist Balaji Srinivasan has caused a stir with its vision of how our lives will be transformed in the ultra-digital age.
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SpaceX capsule first splashdown in 45 years
Will Moon tourism be normal in 20 years’ time? For some, yesterday’s historic success of a manned commercial space mission is the start of a new era. But predictions are nearly always wrong.
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‘Mind-blowing’ new AI can do ‘almost anything’
Should we be worried by AI? A groundbreaking program called GPT-3 can learn almost anything without human help. The possibilities are limitless, but some are saying so are the risks.
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World’s most powerful Twitter accounts hacked
Should Twitter be run by the United Nations? An astonishing security breach has exposed the private company’s vulnerabilities – as well as its enormously influential role in public life.
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Silence, the world’s most precious commodity
Should we have a right to quiet? An ingenious invention promises to protect us from unwanted noise, returning us to a state of calm which has been prized by thinkers across the centuries.
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Earth to invade Mars with a summer of rockets
Are we all Martians? Three spacecraft will soon begin a hazardous journey to the red planet in search of life. Some dream of colonising Mars – but the Martians may already have colonised us.
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New fighter plane heralds era of robot wars
Should robots be used in war? The US Air Force wants to stage a battle between a robot fighter plane and a piloted one. But many warn that any use of AI in war could lead to disaster.
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The great hydrogen revolution gathers pace
Are we on the cusp of a hydrogen revolution? A new material, similar to a bath sponge, could be the key to making the most abundant element in the world the green fuel of the future.
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History made as astronauts enter space station
Is our obsession with space wrong? Elon Musk’s company SpaceX has triumphed with its first manned US space rocket in a decade. But many believe humans have a moral duty to focus on Earth.
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Trump accuses Twitter of stifling free speech
Is free speech under threat? President Trump has accused Twitter of trying to censor him, while British journalists claim that the government is using underhand tactics to thwart them.
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Very smart – and a tool of domestic abuse
Could smart homes increase domestic abuse? As our houses get ever more full of technology to make life more convenient, the possibility of using it for abusive purposes is increasing.
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Coronavirus witch-hunt sets Europe ablaze
Is witch-burning back? Fear of the coronavirus has stoked the flames of the anti-5G movement, drawing parallels with the mass hysteria and witch-hunts of the 16th and 17th centuries.
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Mile-wide asteroid gives Earth a near miss
Are asteroids our biggest threat? Several giant space missiles passed us by recently – and scientists are coming up with amazing plans to protect the planet from intergalactic impact.
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Please settle down – all five million of you
Should every country have an Open School – a free online resource? The lockdown has inspired some brilliant experiments in teaching. Many hope that it will change education for ever.