Hacker News with Generative AI: Innovation

Before the Undo Command, There Was the Electric Eraser (ieee.org)
I’m fascinated with the early 20th-century zeal for electrifying everyday things. Hand tools, toasters, hot combs—they all obviously benefited from the jolt of electrification. But the eraser? What was so problematic about the humble eraser that it needed electrifying?
Surprisingly simple method makes a low-cost, tuneable liquid lens (cosmosmagazine.com)
Scientists from the Philippines have come up with a clever way to make adjustable water-based liquid lenses, which they say could be used as accessible and low-cost improvised lens systems in classrooms and laboratories.
A 1903 Proposal to Preserve the Dead in Glass Cubes (hyperallergic.com)
In 1903, a Russian-born inventor in Herkimer, New York, named Joseph Karwowski proposed a radical way of preserving corpses: suspending them in glass cubes.
Fusion Reactor Called 'Norm' Could Outperform Everything We've Built So Far (gizmodo.com)
A California-based fusion company thinks it’s cracked one of energy’s toughest problems: how to make fusion efficient, powerful, and not absurdly expensive.
Legendary Bose Magic Carpet Suspension Is Finally Going Global (thedrive.com)
Over twenty years ago, a video of a Lexus LS400 seemingly defying the laws of physics shocked the world.
White House Tech Bros Are Killing What Made Them (and America) Wealthy (nytimes.com)
Basic research conducted by America’s universities is crucial to our world-class entrepreneurial culture.
High-Powered Solar Cells Are Poised to Replace Batteries (bloomberg.com)
Lenovo is using startup Ambient Photonics’s technology to get rid of batteries in a keyboard.
Why India fell behind China in tech innovation (restofworld.org)
China’s DeepSeek moment has triggered unease for the Indian government and tech industry.
CATL: 1500km EV Battery, 520km in 5 Min Charge, Sodium-Ion Mass Prod 2025 (carnewschina.com)
Chinese battery manufacturer Contemporary Amperex Technology Co. Limited (CATL) unveiled three battery technologies at its “Tech Day” event on April 21, potentially reshaping the competitive landscape between pure electric and hybrid vehicles.
Why India fell behind China in tech innovation (restofworld.org)
China’s DeepSeek moment has triggered unease for the Indian government and tech industry.
Everyday life improvements since the 90s (2022) (gwern.net)
It can be hard to see the gradual improvement of most goods over time, but I think one way to get a handle on them is to look at their downstream effects: all the small ordinary everyday things which nevertheless depend on obscure innovations and improving cost-performance ratios and gradually dropping costs and new material and… etc.
'Nobody has done this before': Britain's beloved steam trains trial technology (theguardian.com)
In-cab digital signalling was tested last week as part of a project to secure the future of main-line locomotives
How the U.S. became a science superpower (steveblank.com)
Prior to WWII the U.S was a distant second in science and engineering. By the time the war was over, U.S. science and engineering had blown past the British, and led the world for 85 years.
Spray-on concrete innovation could transform bridge repairs (techxplore.com)
More than 40,000 bridges in the United States are deemed structurally deficient, and as many as 221,000 are deemed in need of repair, according to the American Road & Transportation Builders Association. Florida International University (FIU) researchers have developed a system that could play a key role in restoring them.
Robotic Gripper Based on Measuring Tape Is Sizing Up Fruit and Veggie Picking (today.ucsd.edu)
It’s a game a lot of us played as children—and maybe even later in life: unspooling measuring tape to see how far it would extend before bending. But to engineers at the University of California San Diego, this game was an inspiration, suggesting that measuring tape could become a great material for a robotic gripper.
The McMurtry Spéirling is the first car in the world to DRIVE UPSIDE DOWN (topgear.com)
No, it’s not an April Fool’s gag, and yes, they really did it. For as long as Top Gear can remember, the old adage that ‘an F1 car can drive upside down’ has been nothing more than a passing joke. Turns out, McMurtry isn’t laughing.
Royal Mail trials postbox with parcel hatch, solar panels and barcode scanner (theguardian.com)
Royal Mail has unveiled a solar-powered “postbox of the future” with a built-in barcode reader and a hatch to accept parcels larger than letterbox size.
Ask HN: Biggest non-tech scientific innovations of the 21st century? (ycombinator.com)
The tech industry often dominates headlines here on HN, but what are the major scientific breakthroughs in other fields (biology, medicine, physics, chemistry, climate science, etc...) in the last two decades?
Locating Stealth Fighters with Cheap Cameras Without Using AI or Radar [video] (youtube.com)
The New Weird Virtuosos Making Jazz for the Post-Internet Age (pitchfork.com)
Led by artists like DOMi and JD Beck, a generation of rising players is infusing jazz with absurdist online irreverence. But are they playing jazz at all?
The Consequences of Limiting the Tax Deductibility of R&D (ssrn.com)
We study the tax payment and innovation consequences of limiting the tax deductibility of research and development ("R&D") expenditures.
The New Legislators of Silicon Valley (theideasletter.org)
There is a certain disorienting thrill in witnessing, over the past few years, the profusion of bold, often baffling, occasionally horrifying ideas pouring from the ranks of America’s tech elite.
Choviva: Chocolate replacement with less CO2 emissions (choviva.com)
We’ve reinvented chocolate by cutting CO₂ - emissions
How the electric car almost became the norm, more than a century ago (rnz.co.nz)
There's been a huge uptake of electric cars in recent years, and many of us would say they're having their moment in the transport industry now.
Barrel-rotor flying car prototype begins flight testing (newatlas.com)
One of the most fascinating aircraft in the eVTOL space has moved into flight testing with a new large-scale prototype. Cyclotech's Blackbird airframe becomes the world's first aircraft to fly with six barrel-shaped "Cyclorotors" for propulsion.
Smallest Pacemaker Is the Size of a Rice Grain (sciencealert.com)
Scientists said Wednesday they have developed the world's tiniest pacemaker, a temporary heartbeat regulator smaller than a grain of rice that can be injected and controlled by light before dissolving.
“Moonshots” Initiative to Secure the Future of RISC OS (riscosopen.org)
Cambridge, UK – 28-Mar-2025 – RISC OS Open Limited (ROOL) is calling on the global technology community to support a bold new initiative to secure the long-term future of RISC OS. The company today announced the launch of its Moonshots programme – a strategic shift away from incremental development, towards large-scale engineering efforts aimed at modernising the operating system for next-generation Arm architectures.
Renegade Colorado Farmer Pushes Deeper into Unconventional Agriculture (agweb.com)
Who plants at least 12 different crops a season, slashes nitrogen applications by over half, aims to seed 3”-row grain in 2025, grows rice in bone-dry conditions, and steadily uncovers unique market demand? Roy the renegade.
Project Europe aims to drive European innovation (projecteurope.co)
A New Form Factor for Drones: Vertical and Coaxial (core77.com)
Since its invention, the form factor of the airplane has been bird-based; both airplanes and birds remain aloft by having appreciable wingspans. And in broad strokes, the overall form of the airplane hasn't changed much in the past 100 years.