{"podcast":{"title":"Science Tech Brief By HackerNoon","slug":"science-tech-brief-by-hackernoon-6365658","podcast_index_feed_id":6365658,"rss_url":"https://feeds.transistor.fm/science-tech-brief-by-hackernoon","website_url":"https://hackernoon.com/c/science","image_url":"https://img.transistorcdn.com/QCgx32fgk8ozOhFBEK_Fon_GHC5vTxW5A_zOuWXsLNA/rs:fill:0:0:1/w:1400/h:1400/q:60/mb:500000/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS9zaG93/LzQxMjczLzE2ODM1/ODI0MjQtYXJ0d29y/ay5qcGc.jpg","author":"HackerNoon","episode_count":100,"summary":"Learn the latest science updates in the tech world.","last_synced_at":"2026-07-11T04:18:53.201238+00:00","page_url":"https://stenobird.com/podcast/science-tech-brief-by-hackernoon-6365658"},"episode":{"title":"Daphna Langer Is Building The Tesla of Rail, and This is Why You Should Pay Attention","slug":"daphna-langer-is-building-the-tesla-of-rail-and-this-is-why-you-should-pay-attention","published_at":"2026-04-25T16:00:47+00:00","page_url":"https://stenobird.com/podcast/science-tech-brief-by-hackernoon-6365658/daphna-langer-is-building-the-tesla-of-rail-and-this-is-why-you-should-pay-attention","show_page_url":"https://stenobird.com/podcast/science-tech-brief-by-hackernoon-6365658","url":"https://share.transistor.fm/s/5c2bacf1","audio_url":"https://media.transistor.fm/5c2bacf1/92ab6a60.mp3","summary":"This story was originally published on HackerNoon at: https://hackernoon.com/daphna-langer-is-building-the-tesla-of-rail-and-this-is-why-you-should-pay-attention . Voltify CEO Daphna Langer is rethinking rail energy systems, aiming to reduce costs and transform freight infrastructure through smarter energy optimization. Check more stories related to science at: https://hackernoon.com/c/science . You can also check exclusive content about #voltify-rail-energy , #tesla-of-rail-innovation , #daphna-langer , #rail-energy-cost-optimization , #rail-systems-optimization , #climate-tech , #next-generation-rail-systems , #good-company , and more. This story was written by: @jonstojanjournalist . Learn more about this writer by checking @jonstojanjournalist's about page, and for more stories, please visit hackernoon.com . Daphna Langer is building Voltify to transform freight rail energy systems. Instead of improving trains, Voltify optimizes energy as a managed layer, reducing costs and boosting efficiency. Backed by funding and recognition like Forbes 30 Under 30, the startup targets one of rail’s biggest inefficiencies: energy consumption.","meta_description":"This story was originally published on HackerNoon at: https://hackernoon.com/daphna-langer-is-building-the-tesla-of-rail-and-this-is-why-you-should-pay-at…","key_points":[],"chapters":[],"topics":[],"duration_seconds":321,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/science-tech-brief-by-hackernoon-6365658/episodes/daphna-langer-is-building-the-tesla-of-rail-and-this-is-why-you-should-pay-attention/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/science-tech-brief-by-hackernoon-6365658/daphna-langer-is-building-the-tesla-of-rail-and-this-is-why-you-should-pay-attention.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}