instruments to give us our best ever view of the moons, and to assess whether they could be habitable. now on bbc news, click. this week, it s all about cars and cardio. yeah, we have teslas looping the las vegas loop. spencer takes a swing for it. yes, got a seagull. and lara gets mean. well, she tries to. i m a bit slow with this. i d be in terrible trouble if there was a person punching. and is that. both: a flying elvis? as thousands of tech companies descended on las vegas this month for the consumer electronics show, we ve been bringing you some of the highlights. but this week, we re getting away from the show floor. i ve been made to work up a sweat and he s been sent to freeze. but first up, we re going below the bright lights of the strip with james clayton, as he checks out an unusual way to get from a to b. las vegas convention center is huge. it can take half an hour to walk across it. however, there s a new way to get around tunnels with teslas in them. this i