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What do nuclear bomb explosions, ocean currents and photosynthesis have in common? They're being studied for use in the battle to slow climate change. From examining radioactive currents, to studying how plants could help create the greenest conceivable fuel from water, join us to find out how good a weapon water can be in the fight to save the climate.
Can water be the fuel our future? Using sunlight to convert water into clean hydrogen fuel.
Dr Andreas Kafizas (Senior Lecturer, Department of Chemistry, Imperial College London)
We need new technologies that rely on renewable sources of energy to avoid the worst effects of climate change. Inspired by how plants use sunlight to make sugars through photosynthesis, scientists are developing artificial materials that can use sunlight to convert water into hydrogen fuel, which burns cleanly without releasing any carbon dioxide, just water. In this talk, we will discover the latest and most exciting achievements in this field, and how we are getting closer to economically viable devices.
The journey of ocean circulation
Dr Maxi Castrillejo Iridoy (Postdoctoral Researcher at Imperial College London)
Marine currents are a natural and powerful phenomenon. Amongst other things, they work to thermo-regulate the Earth and as such have a big role to play in slowing global warming. Oceanographers at Imperial are looking at changes in human-generated radioactivity in the ocean, working to unveil the precise pathways of ocean circulation by measuring single atoms and simulating the nuclear bomb fallout.
Shining a light on the future: supercomputers and AI in solar cell research
Sean R. Kavanagh (PhD Researcher at University College London and Imperial College London)
Our research focuses on solar cells; trying to identify materials other than silicon that can be used to mass-produce cheap and efficient solar cells, so that we can then rapidly ramp up production and directly compete with the fossil fuel market. I'll talk about the biggest challenges currently facing this field, and how we're using massive supercomputers (a million times more powerful than a desktop computer) and artificial intelligence (AI) and machine learning (ML) techniques to solve them.
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