Craig Charles and the team look at the latest gardening tech, including a robot that does the weeding, a hi-tech wood chipper, and a 120mph leafblower, while Jon Bentley tests folding electric bikes with the help of multiple BMX world champion Shanaze Reade and a group of commuters. Georgie Barratt reports on an event at the IFA tech trade show in Berlin where manufacturers display their most outlandish concepts for the future.