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Why is this Propeller Getting So Much Attention?

Why is this Propeller Getting So Much Attention? Get an exclusive Surfshark deal! Enter promo code UNDECIDED for an extra 3 months free at https://surfshark.deals/undecided By changing the shape of a propeller design, we may have found a way to make drones (and a lot of other things that use propellers) not just quieter, but way more efficient. For some boating applications, the energy efficiency was boosted from 20% - 105%! Can this toroidal propeller really help everything from quieting tiny drones to helping boats sail further with less fossil fuels? And if just changing the propeller shape makes such a big impact, why haven’t we tried something like this sooner? Watch Why This Ultra Dense Battery Breakthrough Matters    • Why This Ultra Dense Battery Breakthr...   Video script and citations: https://undecidedmf.com/why-is-this-p... Get my achieve energy security with solar guide: https://link.undecidedmf.com/solar-guide Follow-up podcast: Video version -    / @stilltbd   Audio version - http://bit.ly/stilltbdfm Join the Undecided Discord server: https://link.undecidedmf.com/discord 👋 Support Undecided on Patreon!   / mattferrell   ⚙️ Gear & Products I Like https://undecidedmf.com/shop/ Visit my Energysage Portal (US): Research solar panels and get quotes for free! https://link.undecidedmf.com/energysage And find heat pump installers near you (US): https://link.undecidedmf.com/energysa... Or find community solar near you (US): https://link.undecidedmf.com/communit... For a curated solar buying experience (Canada) EnergyPal's free personalized quotes: https://energypal.com/undecided Tesla Referral Code: Get 1,000 free supercharging miles or a discount on Tesla Solar & Powerwalls https://ts.la/matthew84515 👉 Follow Me Mastodon https://mastodon.social/@mattferrell X https://X.com/mattferrell https://X.com/undecidedMF Instagram   / mattferrell     / undecidedmf   Facebook   / undecidedmf   Website https://undecidedmf.com 📺 YouTube Tools I Recommend Audio file(s) provided by Epidemic Sound http://bit.ly/UndecidedEpidemic TubeBuddy https://www.tubebuddy.com/undecided VidIQ https://vidiq.com/undecided I may earn a small commission for my endorsement or recommendation to products or services linked above, but I wouldn't put them here if I didn't like them. Your purchase helps support the channel and the videos I produce. Thank you.