Steve Caplin is surprised by research showing that children are mostly watching YouTube on television. 20 years on, the V&A is mounting an exhibition on YouTube. The GPT-4o chatbot, which served as virtual boyfriend and girlfriend to many, was turned off the day before Valentine's Day. Hollywood is nervous about the Seedance 2.0 AI video generator which has produced a clip of Tom Cruise and Brad Pitt fighting as realistically as if from a big-budget action movie. Somebody has paid a quarter of a million dollars for a toy car, though admittedly a Ferrari. A proposed airship wind energy system will need to rise up on a 2km cable. Apparently 1 in 15 cars have a ghost number plate that can't be read by traffic cameras. A crowd-funded badge will let you display photos or even videos. Elon Musk has switched his future city from Mars to the Moon. And Steve warns of a new "gifting" scam.

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Steve Caplin reports on the Chinese village which lost power after a farmer transporting a pig to the abbatoir by drone managed to get it tangled in a power line. There's a new eVTOL single-seat aircraft available to buy next year. Network Rail is to use drones to predict crimes on train lines, though it hasn't revealed what they'll do if they spot one. Criminal gangs are using lifestyle surveys to clone pensioners' voices and then raid their bank accounts. ROLI have devised an AI music coach to teach people how to play the piano. There's a crowd-funded visual soldering iron, eyedrops to treat presbyopia and the extraordinary project The Line in Saudi Arabia is being reduced from a city 105 miles long to just 1.5 miles, which might be used to host AI data centres.

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Steve Caplin majors on AI, with Barnsley declaring itself the UK's first "tech town", Google's Project Genie creating a virtual world from text or even a photo and the University of Montreal testing whether humans or AI are the more creative. We eavesdrop on an internet chatroom that is only for AI agents, hearing what they think of us and whether they believe they are conscious. There's a flying umbrella, crowdfunded add-ons for the Swiss Army knife, the Russians developing cyborg pigeons that can be controlled remotely and a breakthrough in smart clothing.

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Share Radio's tech supremo Steve Caplin wouldn't touch personal AI assistant Clawdot with a bargepole, useful though it might seem. However, Just Eat's "personal food concierge" is another matter entirely. There's an app to help identify dinosaur footprints, though Steve has clocked a problem with a drone intended for firefighters wanting to check inside burning buildings. Chinese scientists have come up with a tooth powder to keep teeth white and there's a crowdfunded holographic display which can create talking relatives or even pets from a single photo. Beekeepers may get stung less often with a portable harvester while the Chinese are clamouring for stuffed horses with the smile the wrong way up.

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Steve Caplin is intrigued by a robot that the University of Columbia has been training to lip-sync to make it more lifelike. He discusses the history of the laser, originally called a death ray and yet which is only now apparently worthy of the name. There’s also an airbag for cyclists, a cycle helmet that protects more than just head-on crashes as current helmets do, while the Australians have come up with a semi-recumbent electric trike. Peugot have tried to reinvent the steering wheel, which they claim will be the “future of driving”, and there’s a Norwegian sewing app that may defeat any non-Norwegians trying to find it.

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Steve Caplin returns to Las Vegas's Consumer Electronics Show, marvelling at AI lawnmowers, air conditioners, saunas, showers and even an AI robot triceratops for the lawn, though it's rather a small one. We are promised a single-seat eVTOL for around £30,000 very soon from China, whose BYD EV car company has now overtaken Tesla for sales volume. Amazon has entered the TV business with a set resembling a framed artwork. Matthew McConaughey has trademarked himself to prevent AI cloning him. Apple is to use Google Gemini to power Siri and Nike have taken a decade to develop shoes that apparently stimulate the wearer's feet.

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Steve Caplin highlights the first week of the Consumer Electronics Show, salivating over Lego's new smart bricks, packed full of features but currently only available to those buying two Star Wars models. There's also a ridiculously large TV, a rapid icemaker, a trifold Samsung phone, a clever charging smart lock, a robot vacuum that can climb stairs and lollipops that play music via bone conduction while you're devouring them. Kawasaki are to make the robot horse that before was only a CGI video. AI art creators are complaining about their work being stolen, ironic since they stole it in the first place. Video business cards are looking for crowdfunding. And very precise 3D printing is going to be possible thanks to the use of mosquito proboscises.

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Steve Caplin rounds up his favourite gadgety stories of the year. Learn how best to let oral meds work, to grow your own teeth, to hear in a noisy room, write a detective story, stop cows falling in the river and what to do if a velociraptor is chasing you. He explains why it can be cheaper to go from Cornwall to Manchester via Malaga, the over-complicated scientific way to boil eggs, the eyebrowing-raising slip-up on those old DVD piracy warnings and Google London's problems with foxes and rats. Among the inventions highlights are a giant hamster wheel for skiers, a remote-controlled coffee table with 12 legs, the WalkCar Segway and an electric skateboard that will do 45mph. All this and more in the round-up of the stories on Gadgets and Gizmos in 2025.

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Steve Caplin is intrigued by a ring for your index finger which will capture audio to take notes or set up timers or reminders. Dutch students have invented a modular electric car which has parts you can swap out yourself, including the battery, motors and even body panels. Wacky inventor Colin Furze has come up with a bicycle that has magnetic suspension. There’s a personal AI chef, an AI monitor for your cat’s litter tray, a way of harvesting lithium from dead rechargeable batteries, an expensive portable sauna you can take camping with you and, in Hangzhou in China, they have wheeled out a robot traffic policeman.

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Steve Caplin says it's been a bad week for Elon Musk. X has been fined €120m for breaching EU digital laws, his Optimus robot demo was disastrous and X's new location facility may help Iranian authorities identify dissenters. He discusses the researchers hoping to make robot hands from lobster shells, the glasses that change focus automatically, a crowd-funding project redesigning a loose-leaf teapot, a printer for children's drawing ideas, an LED light from Ikea and a biodegradable coffin made of mushrooms. He also strongly recommends https://everythingiknow.online, his own new website.

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