Steve Caplin delves into the world of tech, where Tokyo scientists have made the world's smallest chariot, pulled by algae. Carmarker Stellantis have patented an "improvement" to the steering wheel. VR gamers will soon have a way to walk in the games they play. There's an inflatable tent, though you may not be able to stand up in it. A PhD student has produced a way of monitoring the old and infirm without being too intrusive. Imperial College claims they've found a way to prevent cancer and increase lifespan by 25% – at least in mice. And King's College London believe they can help you lose weight with transcranial direct current stimulation.

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