2026-09-08 Discoveries

Build a digitally sovereign second brain

Build a system to keep information and notes organised, searchable, synchronised, and backed up using Raspberry Pi.

ESP32-P4 Powers Video Alarm Clock

Once upon a time, you had the option of waking up to a bell, a harsh buzzer, or whatever happened to be on the radio that morning. Now that it’s …

Meet Lloyd Kahn, the Counterculture Publisher Who Is Skateboarding at 91

Lloyd Kahn worked as an insurance broker before quitting in 1965. Then, he took a turn into the DIY building movement that emerged with the 1960s counterculture. Soon enough, he found himself editing the influential Whole Earth Catalog and publishing Shelter in 1973, a book still considered the…

Our new contrail avoidance trial in Asia-Pacific

We’re partnering with Cathay Pacific to test our AI-powered contrail mitigation technology on ultra-long-haul flights.

A Vacuum Tube Computer For The Home

The earliest all-electronic computers used vacuum tubes, and most of us will know about machines such as ENIAC or Colossus. Vast machines that required the budget of a country at …

What Archaeology Reveals About the Rise of All-Powerful Rulers

Autocracy wasn’t inevitable in early civilizations—many were more egalitarian. But when riches were there to monopolize, strongmen and inequalities emerged

Bertrand Russell Explains Why Karl Marx’s Philosophy Produced the Disaster of Communism

In 1927, Bertrand Russell delivered a lecture titled “Why I Am Not a Christian.” At the time, such a declaration was still fairly bold, as was the reasoning he provided for it. Nearly three decades thereafter, he included in his collection Portraits from Memory another, shorter piece, “Why I Am…

Tucky

Notes docked to your screen edge, with an AI agent inside

Backing 16 green AI projects in Asia-Pacific

We’re supporting 16 organizations across Asia-Pacific using frontier AI to tackle challenges in climate, agriculture, and biodiversity.

What’s Creating These Mysterious Seafloor Hexagons?

We now know who is responsible for them, but why they’re doing it is still up for debate

The Helicopter with Radioactive Blades

Sometimes you find gold in unexpected places. In this case, it’s from a video about the CH-53 helicopter. The CH-53 Sea Stallion first entered service in 1966. It’s a huge …

PR Lens by Coldtea.ai

See code through a new lens

216M Spy TVs – The LG Smart TV Problem [video]

Keep Our Servers Running

bzip3

A better and stronger spiritual successor to BZip2. - iczelia/bzip3

After an 8-Year Journey, Orbiters Are About to Give Us a Fresh Look at Mercury

But the BepiColombo twin orbiters aren’t the first spacecraft to visit our system’s smallest planet. Here’s what we’ve seen already

Bloop

Turn any Mac audio into a visual you can actually export

The Dataflow Model Revisited

Caltech Mathathon – first hackathon ever devoted to research level mathematics

Show HN: Interactive Tree of Life

Explore life across 11 scientific trees, comparing ancestry, traits, fossils, habitats, and sources.

Watch Los Angeles get built, one building at a time (1880–2026)

Every building standing in the City of Los Angeles today, one box per structure, appearing in the year it was built. The surviving city, 1880 to now.

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