鈥淚f everybody else seems to be doing it one way, there might be more opportunity the other way.鈥�
鈥� Andrew Scheuermann, Co-founder of Arch Systems Inc.
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1.
New Frontier Aerospace just ran a successful hot fire test series on Mjolnir, a compact, 3D printed, full-flow staged combustion rocket engine. Fueled by biowaste-based liquid natural gas, it鈥檚 efficient, net carbon negative, and ready for hypersonic VTOLs, orbital transfer vehicles, and whoever else needs serious propulsion. Backed by NASA and the Defense Innovation Unit, Mjolnir is now on the market, aiming to make spaceflight cleaner, faster, and less wasteful.
2.
Furniture that smells like espresso and skips the landfill? Pour me a cup of that! Meet Haddy, a furniture disruptor using 3D printing and circular production to kick pressboard to the curb. By combining design chops, regional microfactories, and RFID-tracked recycling, Haddy makes sustainable, stylish furniture that鈥檚 actually built to last 鈥� not outlive the planet. Bonus points for robotic arms and lights-out manufacturing.
3.
MIT and UMass Amherst are testing a new way to fix corroded bridges: 3D printing steel directly onto the rust. Their cold spray method blasts powdered steel at beams in layers using heated compressed gas, like additive duct tape for infrastructure. It鈥檚 still early days, but one test bridge in Massachusetts is getting the treatment before it鈥檚 demoed. If it holds up, cold spray could be a game-changer for structural repair. Is this a step toward saying goodbye to total teardowns?
4.
Ion Storage Systems may have cracked the production of solid-state batteries. Their ceramic-layer design avoids the usual swelling, shorting, and startup death spiral that plagued previous developers. Their cells last 50% longer, don鈥檛 catch fire, and fit into existing lithium-ion lines. Now in pilot production and backed by ARPA-E, Ion鈥檚 shipping test units to big-name (but hush-hush) electronics firms 鈥� and the DOD. If they scale, this might be the first solid-state tech that doesn鈥檛 just live in a slide deck.
5.
BMW鈥檚 ditching carbon fiber in their trim for a plant-based composite that looks like Harris Tweed with a racing license. Co-developed with Bcomp, this flax-fiber alternative is headed for M cars, starting with the track-ready M4 GT4, then road cars. It cuts production emissions by 40% and maintains the lightweight performance vibe. You can鈥檛 eat your hood yet, but your next Bimmer might be a little greener without losing its edge 鈥� or its curb appeal.
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