Rosemary Barnes
mechanical engineer
Rosemary Barnes is a mechanical engineer and YouTuber whose work covers renewable energy, technology development and data mining. She studied at the Australian National University and the University of California, Davis, holds a PhD from the University of New South Wales, and has worked for Dyesol. On her YouTube channel, Engineering with Rosie, she makes videos about renewable energy engineering and other clean energy technologies; it had about 114,000 subscribers in December 2025.
Rosemary Barnes’s social media accounts
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