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In the original frame, we would be able to fly about 19 passengers. It looks like a lot of kit in there. How would you fit in 19 people . Yeah, so in the retrofitted configuration, it will be about a dozen people. Daniela is one of the engineers working on the engine. Actually, the fuel cells are this one. The power is created in these small layers. So you have to build up your layers to create the power to take off an aircraft. This engine could almost provide enough power to get you from london to glasgow, but not quite. If you wanted to scale it up for international flights, would you just ...

about 100,000 flights jet around the world every day. flying accounts for 2.5% of all carbon emissions. now, that might not sound like much, but if aviation was a country, it would be among the top ten most polluting nations in the world, and its impact is expected to rise. now there's a global race to get clean aviation off the ground. and some companies think they're close to cracking it. pretty soon, passengers will be flying in zero—emission aircraft. but how did we get here? archive: the new machine is called, optimistically, - the flyer. we've come a long way since the wright...

aviation innovation. this week, lara looks at the elemental solution to cleaning up carbon emissions from aircraft. we travel to the remote faroe islands to look at the latest ways to harness tidal energy. it's sort of like kitesurfing, but on the water. if it moves, it's a controller — paul's en route towards more accessible games. if ijust raise my eyebrows, i'm making the carjump. and we look at how generative technology could revolutionise the moviegoing experience. it can make approximately 52 quintillion versions of the film. about 100,000 flights jet around the world every d...

of the film. about 100,000 flights jet around the world every day. flying accounts for 2.5% of all carbon emissions. now, that might not sound like much, but if aviation was a country, it would be among the top ten most polluting nations in the world, and its impact is expected to rise. now there's a global race to get clean aviation off the ground. and some companies think they're close to cracking it. pretty soon, passengers will be flying in zero—emission aircraft. but how did we get here? archive: the new machine is called, optimistically, - the flyer. we've come a long way sin...

Generating electricity using the current that flows through this stretch of water. Weighing 28 tonnes and with a 12 metre wingspan, the newest dragon can deliver 1. 2 megawatts of power. Its sort of like kitesurfing, but underwater. So we tether it off to the sea floor, foundation on the sea floor, and then it flies in a figure of eight. As underwater Currents Flow by, the kites wings generate a hydrodynamic lift force, spinning the turbine and generating electricity. This design� s very different to other types of tidal technology. So whats the advantage of a design like this one . We can i...