Steve Caplin marvels at the video of a flying car – because it is so poorly made, as if from Thunderbirds. There's a seaglider that appears to float rather than skim. The world's largest tyre maker – Lego – is to use recycled ropes, nets and oil. A new silicon chip apparently uses fused human brain cells to make it faster. AI therapists are showing signs of anxiety from hearing of traumatic events. Blind patients may be able to see but the process is rather squirm-inducing. There's a crowd-funded rugged phone. Spent nuclear fuel could actually power new reactors for decades. And the US navy has a new unmanned prototype warship.

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