{"podcast":{"title":"Oxford Sparks Big Questions","slug":"oxford-sparks-big-questions-420721","podcast_index_feed_id":420721,"rss_url":"https://oxfordsparks.libsyn.com/rss","website_url":"https://www.oxfordsparks.ox.ac.uk/","image_url":"https://static.libsyn.com/p/assets/2/2/c/f/22cf91023fb4a322/Big_Questions_Podcast_pink_HIGH_RES.jpg","author":"Fiona Jones","episode_count":100,"summary":"'Will my bacon sandwich kill me?', 'Is vaping better than smoking?', 'How do you become an astronaut?' - just some of the Big Questions we ask some of the brightest minds behind Oxford science. Join us in each podcast as we explore a different area of science.","last_synced_at":"2026-06-18T00:18:10.275517+00:00","page_url":"https://stenobird.com/podcast/oxford-sparks-big-questions-420721"},"episode":{"title":"How do you build the aeroplane of the future?","slug":"how-do-you-build-the-aeroplane-of-the-future","published_at":"2026-06-03T11:30:00+00:00","page_url":"https://stenobird.com/podcast/oxford-sparks-big-questions-420721/how-do-you-build-the-aeroplane-of-the-future","show_page_url":"https://stenobird.com/podcast/oxford-sparks-big-questions-420721","url":"https://oxfordsparks.libsyn.com/how-do-you-build-the-aeroplane-of-the-future","audio_url":"https://traffic.libsyn.com/secure/oxfordsparks/Ox-Alloys-v2.mp3?dest-id=790107","summary":"In 2022, 7% of the UK's total carbon emissions came from the aviation sector - a figure that's on the rise. This means that - while a flight is often the start of a well-deserved holiday - a lot of us feel at least a sprinkling of guilt over our carbon footprint. So, what if we could reduce the carbon emissions associated with air travel? In this episode, we chat to Dr Tamsin Whitfield from Oxford's Department of Materials Science, and hear about her research developing new metals, which will ultimately allow jet engines to burn hotter, increasing their efficiency.","meta_description":"In 2022, 7% of the UK's total carbon emissions came from the aviation sector - a figure that's on the rise. This means that - while a flight is often the…","key_points":[],"chapters":[],"topics":[],"duration_seconds":661,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/oxford-sparks-big-questions-420721/episodes/how-do-you-build-the-aeroplane-of-the-future/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/oxford-sparks-big-questions-420721/how-do-you-build-the-aeroplane-of-the-future.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}