
Robot vacuum cleaner 'could water plants or play with cat'
Scientists have reprogrammed a robot vacuum cleaner to help charge a phone and assist in a home workout because they think the machines are currently too "idle".Researchers from the University of Bath say the increasingly popular domestic appliances are, on average, in use for less than two hours per day, but could be working considerably harder - with some modifications.To prove their point, they retrained a Roomba device to carry out a range of other chores, and outlined many more possible tasks it could do such as playing with a cat and watering the plants.Such robots "are perceived as limited, single-task devices but there is a strong argument that they are under-used for practical tasks", said Yoshiaki Shiokawa, the author of the study.
The global household robots market size was valued at $10.3bn (£7.7bn) in 2023 and is anticipated to hit $24.5bn by 2028, meaning such devices are an increasingly common sight in people's homes.Anyone who has watched a robot vacuum cleaner in action may argue these ideas are a little far-fetched, given that current machines sometimes struggle with the challenges presented by rugs and shoelaces while carrying out their core function.However, scientists from the University of Bath and the University of Calgary in Canada, have set out to prove that cleaners - and similar devices, such as lawnmowers - could be reprogrammed and modified relatively easily.Their study identified 100 functions the robots could possibly perform with simple adjustments.The scientists then reprogrammed a Roomba robot vacuum cleaner to perform four of them:A mobile phone charger attached to the vacuum that is programmed to follow the userA robot with a projector attached that displayed a workout video on a wall or ceilingA 'home monitor' with live video so a user could check on the ovenA screen showing 'do not disturb' on a robot that was programmed to go to a specific location, to help minimise possible disturbancesOther proposed tasks suggested by the scientists include a reprogrammed robot that carried the groceries from the car to the kitchen.Mr Shiokawa, a PhD student in the department of computer science at Bath, said the project proved that "after making minimal adjustments, a Roomba can serve multiple roles around the home"."For most of the day, they sit idle", he lamented.He added that taking on some new tasks involved some upgrades the average vacuum owner probably would not have lying around their homes, such as a cart, a helmet and a robotic arm.Nonetheless, he said people should be expecting more of their robots."We should be extending their utility beyond their primary tasks by programming them to physically navigate the home to perform a range of additional functions," he said.The study's co-author Dr Adwait Sharma agreed, saying the device's "idle time" presented "unique opportunities" to meet the "growing need for adaptable robots and integrated systems that can seamlessly fit into our daily lives".

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BBC News
a day ago
- BBC News
New species of dinosaur helps understanding of T.rex evolution
When you think about the you probably picture a big predator with small arms and big its early ancestors didn't look quite as fearsome and scientists have found a new species of dinosaur they believe is its most recent called the species Khankhuuluu mongoliensis which means Dragon Prince of say the discovery has helped understand the evolution of the from their small early ancestors. The team at the University of Calgary in Canada studied two partial skeletons which were first discovered in Mongolia in the 1970s which were being kept at a museum, The fossils are 86-million-years old and have given scientists new information about tyrannosaurs evolved. Jared Voris, a PhD student working on the project, noticed features similar to the tyrannosaur. The skull suggested it had a strong jaw, a feature found in tyrannosaurs, needed for their powerful bite. The evolution of such powerful jaws meant the could pounce on larger prey, and even bite through bone. Tyrannosauroids are the superfamily of carnivorous (meat eating) dinosaurs that walked on two first tyrannosauroids though were tiny. They were nimble on their feet and "lived in the shadows of other apex predators" according to lead researcher Professor Darla explained that the new species, Khankhuuluu, is a "transitional fossil between earlier ancestors and the mighty tyrannosaurs".It would have weighed about 750kg (about the same as a giraffe) while an adult could have weighed as much as eight times that."It has helped us revise the tyrannosaur family tree and rewrite what we know about the evolution of tyrannosaurs," she added.


BBC News
2 days ago
- BBC News
New species of dinosaur discovered that 'rewrites' T.rex family tree
Scientists have discovered a new species of dinosaur - in the collection of a Mongolian museum - that they say "rewrites" the evolutionary history of concluded that two 86 million-year-old skeletons they studied belonged to a species that is now the closest known ancestor of all tyrannosaurs - the group of predators that includes the iconic researchers named the species Khankhuuluu (pronounced khan-KOO-loo) mongoliensis, meaning Dragon Prince of discovery, published in Nature, is a window into how tyrannosaurs evolved to become powerful predators that terrorised North America and Asia until the end of the reign of the dinosaurs. "'Prince' refers to this being an early, smaller tyrannosauroid," explained Prof Darla Zelenitsky, a palaeontologist from the University of Calgary in Canada. Tyrannosauroids are the superfamily of carnivorous dinosaurs that walked on two first tyrannosauroids though were tiny. PhD student Jared Voris, who led the research with Prof Zelenitsky, explained: "They were these really small, fleet-footed predators that lived in the shadows of other apex predatory dinosaurs."Khankhuuluu represents an evolutionary shift - from those small hunters that scampered around during the Jurassic period - to the formidable giants, including T-rex. It would have weighed about 750kg, while an adult could have weighed as much as eight times that, so "this is a transitional [fossil]," explained Prof Zelenitsky, "between earlier ancestors and the mighty tyrannosaurs"."It has helped us revise the tyrannosaur family tree and rewrite what we know about the evolution of tyrannosaurs," she added. The new species also shows early evolutionary stages of features that were key to the tyrannosaurs' tyranny, including skull anatomy that gave it a strong jaw. Jared Voris explained: "We see features in its nasal bone that eventually gave tyrannosaurs those very powerful bite forces."The evolution of such powerful jaws allowed T-rex to pounce on larger prey, and even bite through last meal was two baby dinosaursFossil reveals 240 million year-old 'dragon'Solving the mystery of a dinosaur mass graveThe two partial skeletons that the team examined in this study were first discovered in Mongolia back in the early 1970s. They were initially assigned to an existing species, known as Alectrosaurus, but when Mr Voris examined them, he identified the Tyrannosaur-like features that set it apart."I remember getting a text from him - that he thought this was a new species," recalled Prof Zelenitsky. The fact that this group of dinosaurs were able to move between North America and Asia - via land bridges that connected Siberia and Alaska at the time - also helped them to find and occupy different Voris explained: "That movement back and forth between the continents basically pushed the evolution of different tyrannosaur groups" over millions of Zelinitsky added: "This discovery shows us that, before tyrannosaurs became the kings, they were they were princes."


Metro
2 days ago
- Metro
Rich people ‘will have robot butlers by 2030′ – but there's a major flaw
We've all had fears about it, right? That one day robots will come in and takeover the world? Well we could be getting that much closer, as one expert has predicted robotic butlers will be a common toy for the super rich by 2030. Right now, humanoids are making great strides (or sometimes, falling over), but are still not quite ready for mass adoption. The chief executive of a company which makes robots used in warehouses across the world says this is about to change, however. Romain Moulin, the founder of Exotec, told Metro that within five years, those with enough money to spare will have robots to wipe their floors and maybe even fold their laundry. It won't be because they are so good at the job, though: 'It's mostly for bragging to your friends,' he said. They will be an expensive novelty at first, and will work for far less time than Jeeves could before taking a break. 'I think the first one we'll see will be like a Roomba,' Romain said. 'It will be sitting in a corner of the room. You will have some friends over and you will tell that humanoid robot, 'Please clean my floor.' 'It will pick up a broom and start cleaning, and then will go back and sit on his chair charging, because he has ten minutes of autonomy. That stuff has high power consumption.' At a push, developments in battery tech might let it keep going for 20 minutes, but ultimately it's not going to last longer than a cordless vacuum. Romain's company makes the Skypod robot, a functional piece of tech serving companies including Gap, Carrefour, Uniqlo and Decathlon. He thinks that when it comes to warehouses, humanoid robots are destined for the scrapheap. 'Nobody has a convincing answer on why you would have legs instead of wheels for an industrial environment,' he said. 'Why would you want legs on a flat concrete floor? You will save half of your robot price by removing them.' Up Next He isn't convinced that humanoid robots are the answer for companies trying to be more efficient. By replicating the shape of a person, they're optimising something 'to run in the bush and pick apples in the trees' because humans were built for prehistoric survival, not packing parcels. But he does admit they are more useful in places where humans tend to be, such as hospitals, restaurants, or houses. Bringing a robot home isn't simple, though, as it's a much less regimented environment. 'Payload, autonomy, and safety are the biggest challenges,' Romain explained. 'If you increase the performance of your robot and you want it to lift heavier things, you are creating more chance to hurt someone.' He said that for a robot to be able to stand and walk around, its legs would have to weigh some 40kg, which is already enough power to do damage. Humanoid robots are becoming more and more high profile, made by companies such as Tesla, which says their Optimus model will be 'capable of performing tasks that are unsafe, repetitive or boring'. This robot is expected to cost around $20,000, but Romain guessed that fully functioning humanoid robot capable of doing household tasks independently would be more like $200,000. While we're fascinated by robots that look like us, they are more complicated to programme than a box on wheels. Balancing is a particular issue, and if it goes wrong it can lead to disturbing scenes like this robot 'going berserk' in a Chinese workshop. Romain says this is likely to have been down to its sensors realising it was still not stable, so making bigger and bigger 'crazy' moves to try and fix the problem in a feedback loop. AI has allowed big advancements in robotics, as it is used to power their independent navigation. This is how Evri were able to test out a robotic dog to deliver parcels, and UK farmers have also embraced the tech with robot fruit pickers. You may not interact with them much yet, still, but they could become as commonplace as touchscreens for food orders soon. He said that he is concerned about the changes that are coming to the jobs market, with humanoid robots able to take on most unskilled work within 20 years, and computers just 'working alone' in offices. 'One human then will do the job of five humans now,' he said. Even though Romain works with robots them every day, though, he won't be putting a butler on preorder. 'I prefer human relations,' he said. check our news page.