:00:00. > :00:40.Two special compilations of the best bits of Click,
:00:41. > :00:42.with stories from Asia, Africa and the US.
:00:43. > :00:46.We start with a range of stories that show just how many ways we
:00:47. > :00:53.If you thought they were only good for racing, think again.
:00:54. > :01:02.The Aerial GP is an opportunity for drone enthusiasts
:01:03. > :01:11.to pilot ultralight drones across specially-made racing circuits.
:01:12. > :01:14.The drones are fitted with cameras and pilots are using monitors to see
:01:15. > :01:20.They have to complete several circuits of the course
:01:21. > :01:35.Try flying a few feet from the ground at 60mph.
:01:36. > :01:38.Most people get into it because they want to be a pilot
:01:39. > :01:55.You end up flying between trees at your house.
:01:56. > :02:02.Skills have been honed, and victorious racers have
:02:03. > :02:08.The Aerial GP's organisers have plans to take
:02:09. > :02:24.Robotic airborne races are here to stay.
:02:25. > :02:27.We have seen them used for classy photography, gratuitous
:02:28. > :02:30.selfies, and for deliveries, with Amazon in the US and Alibaba
:02:31. > :02:39.in China considering them for getting packages about the place.
:02:40. > :02:41.But in the UAE, they have started looking
:02:42. > :02:45.for other uses for drones, and that has led to the competition going
:02:46. > :02:53.There is $1 million up for grabs for the winners
:02:54. > :02:58.in the international category, so this is a serious business.
:02:59. > :03:01.You would not believe the number of issues that can be solved with
:03:02. > :03:06.a drone, at least when there is so much money up for grabs.
:03:07. > :03:10.I did not know fog was an issue in Dubai - that was until a team
:03:11. > :03:17.from Khalifa University invented a drone that gets rid of it.
:03:18. > :03:20.We have a lot of car pile-up accidents
:03:21. > :03:26.and disasters happening because of the fog.
:03:27. > :03:28.We are doing an extraordinary experiment
:03:29. > :03:31.Using a concept similar to cloud seeding,
:03:32. > :03:35.which causes rain, this drone can carry 40kg of a salty solution it
:03:36. > :03:43.sprays over the fog, breaking it up and dissipating the mist.
:03:44. > :03:46.You need about seven of these to clear a runway within 20 minutes,
:03:47. > :03:50.allowing pilots to take off and land safely.
:03:51. > :03:53.One thing I did know about Dubai was its preference
:03:54. > :03:59.With this high-rise glass about, you do need something to keep it clean.
:04:00. > :04:08.It has a washer, it has a squeegee, and with this drone,
:04:09. > :04:14.we can clean up a maximum of 40 square metres.
:04:15. > :04:17.I am nervous about flying drones close to buildings,
:04:18. > :04:21.but the sponges protect the blades, so it is less likely to crash when
:04:22. > :04:31.And crash protection is something being taken to
:04:32. > :04:36.an entirely new level by Team Flyability.
:04:37. > :04:42.I have never seen a drone like this before.
:04:43. > :04:47.If the drone collides against obstacles, only the cage will rotate
:04:48. > :04:58.That is what they strap astronauts into to spin them around.
:04:59. > :05:01.Where can you see this drone being used?
:05:02. > :05:06.This drone can go anywhere where other drones cannot go,
:05:07. > :05:10.like inside collapsed buildings, anywhere there is a lot of trash
:05:11. > :05:16.and you can't have perfect control of the robot.
:05:17. > :05:20.I don't think there is any other drone here that can handle hitting
:05:21. > :05:26.The pilot is flying the robot inside the house, so he does not see
:05:27. > :05:35.He only uses the video link from the drone.
:05:36. > :05:40.They have $1 million to invest into their bright idea.
:05:41. > :05:59.Now, I like to have a bit of fun on the show, but without
:06:00. > :06:03.the risk of making myself ill, so we sent LJ Rich to Germany last summer
:06:04. > :06:09.to try out rollercoasters, and to give her the ride of her life.
:06:10. > :06:12.What better place to test the new rollercoaster technology
:06:13. > :06:17.than here at a park where people know their coasters?
:06:18. > :06:25.One company thinks it has cracked a huge conundrum.
:06:26. > :06:33.You have to keep very tightly to the real movement, and what we are
:06:34. > :06:37.doing is measuring the actual position on the track with
:06:38. > :06:47.a special sensor that is attached to the wheel of one of the cars.
:06:48. > :06:50.That flashing light counts rotations and synchronises with
:06:51. > :06:56.That means if the speed varies a little with each ride, the programme
:06:57. > :07:01.In fact, VR could be the key to giving a new lease
:07:02. > :07:12.I think my uncle got a similar effect using a different
:07:13. > :07:18.We finish our 2015 round up in Japan, with two different kinds of
:07:19. > :07:33.Japan is in a hurry to make cars differently.
:07:34. > :07:36.So, why are Japanese carmakers assembly-lining up to make what
:07:37. > :07:39.in the past has proven to be an expensive, impractical,
:07:40. > :07:47.The answer is as much political as it is about technology.
:07:48. > :07:52.Ahead of the 2020 Olympics, they are thinking big.
:07:53. > :07:53.Traditionally, hydrogen has been produced using
:07:54. > :07:57.fossil fuels, but Japan doesn't have any of those, so Honda has created
:07:58. > :08:05.Ideally produced from renewable resources, and it has
:08:06. > :08:11.designed stations that don't just store hydrogen, they make it.
:08:12. > :08:14.It may take a while to produce, but the beauty of hydrogen is
:08:15. > :08:19.its only waste product is pure water emitted through the exhaust.
:08:20. > :08:23.Japan has set its sights on being the leading exporter of these super
:08:24. > :08:29.Toyota recently delivered the first of its new fuel cell cars
:08:30. > :08:36.to buyers in Japan, the US, Denmark, Germany and here in the UK.
:08:37. > :08:40.This is the first mass produced hydrogen car, designed
:08:41. > :08:43.from the ground up, which means they haven't just taken an existing model
:08:44. > :08:50.They put the tanks in the back, and effectively the engine with all
:08:51. > :08:52.the chemical reactions going on between the two front seats,
:08:53. > :09:02.It is a little bit heavier than a normal car, but it is statistics
:09:03. > :09:09.There is one statistic that might concern you.
:09:10. > :09:36.It is a safe, if slow, start to Japan's waterpowered revolution.
:09:37. > :09:41.Not just any DeLorean, that would be impressive enough, this is
:09:42. > :09:50.We have the drive circuits here, the plutonium chamber measurements,
:09:51. > :09:53.the time bank with current date and target date.
:09:54. > :09:56.Speedometer, that has to get to 88 mph.
:09:57. > :09:59.And back here, the all-important flux capacitor.
:10:00. > :10:17.30 years ago I watched Back to the Future and I thought, yes,
:10:18. > :10:20.in 30 years you will be able to drive a car using rubbish.
:10:21. > :10:24.Ten years ago I realised I hadn't seen it happen yet, so I decided to
:10:25. > :10:28.start researching bio ethanol and succeeded in making the gas.
:10:29. > :10:32.One day, he hopes that one day just like in the film will be
:10:33. > :10:37.able to put rubbish and even clothes straight into our cars.
:10:38. > :10:42.For the moment, this uses large processing plants to extract sugar
:10:43. > :10:47.from the cotton in used clothes and turn it into bio ethanol.
:10:48. > :10:50.I thought that was brilliant, brilliant enough to miss my flight
:10:51. > :10:56.Never mind, I think I have found an alternative means of transport
:10:57. > :11:33.That is it for the short cut of 2015. The longer version is online,
:11:34. > :11:37.and includes the time we tried to shoot an entire TV programme on our
:11:38. > :11:40.mobile phones. Don't remind me. See you soon.