Building the heap: racking 30 petabytes of hard drives for pretraining

How we spent under half a million dollars to build a 30 petabyte data storage cluster in downtown San Francisco

How we spent under half a million dollars to build a 30 petabyte data storage cluster in downtown San Francisco
Friends Friends What Glorious Friendly Friends!

I review a fascinating dissertation on interwar metals trading and the "Age of Alloy Steel"

Parties are a public service; here's how to throw them.

https://player.vimeo.com/video/1117858411 Traditional inkjet printers have become increasingly frustrating for anyone who values flexibility, repairability, or creative experimentation. Locked-down firmware prevents modifications, expensive proprietary cartridges drain budgets…

When something dies, a telltale radioactive signal ticks like a natural clock. Discovering it helped us solve all sorts of natural mysteries.

Sprouts CEO Jack Sinclair elucidated a goal of 1,400 U.S. stores for the grocer. But, can it get there while focusing on a smaller niche of broader shoppers?

Explore some of the best-known medieval myths, about legendary characters and perhaps even real people.

What is Lapis Lazuli? What are its origins? How has it persisted throughout the history of art?

Cord reviving isn’t common but points to discontent with today’s streaming options.
Windows, Mirrors, and Lenses: On Intentional Prose What is writing style? Is it a) an expression of your personality, a mysterious, innate quality, o…

Imposter syndrome is other people thinking you’re good, but you don’t believe it yourself. Reverse imposter syndrome is knowing you are good, but others don’t see it from the outside.

Transform your Plotly charts into shareable web applications using Python Dash with minimal code changes.
The semiconductor manufacturing landscape continues to grow, with new fabs and expansions to current production sites taking place in the U.S., Asia, and other key manufacturing regions.

The expanding role of GaN in power electronics. Gallium nitride (GaN) has emerged as one of the most disruptive semiconductor technologies of the decade, with a market projected to reach $3 billion by 2030. Consumer applications, particularly fast chargers, have been the early…

We are going to set up Showcase for a Rails application in the first part of this three-part series on Showcase.

Forget quarters and tokens. Throw your bed out, turn your bedroom into an arcade, and play Skee-Ball at home for free.

You see it mentioned on almost every e-reader device—that is, tablet specialized for reading e-books—but what is it, really?

In 4,000 years, cataract surgery went from a crude procedure involving thorn instruments to a 20-minute operation with a 95 percent clinical success rate. The next step is broadening access.

“We will share more information on the path forward at a later date.”…

In the 1930s, private utilities balked at the task of bringing electricity to rural America. A New Deal agency figured out how to do it more quickly and more cheaply than anyone expected.

We introduce five recommended spots for omakase experiences that won’t break the bank, located across central Tokyo.

Development could have implications for power transmission, nuclear fusion and superconducting magnetic levitation.
Lora Eli Smith reports on mysterious goblin-like creatures sightings by Eastern Kentucky residents after the devastating 2022 floods.

Learning about something in public, even if everyone already knows it, can change everything—especially when and how we decide to help.

When it comes to helping others, it’s important to remember that it’s the size of the drop that matters, not the size of the bucket.

Compare top local LLMs for 2025: context windows, VRAM tiers, licenses, quantization, runtimes, dense vs MoE tradeoffs clearly

A threat on a school bus from an alienated young man united dozens of agencies to answer a single question: Is it possible to stop potential mass shooters before they commit a crime?

Famous Fantastic Mysteries was a U.S. pulp magazine that specialized in reprinting classic tales of science fiction, fantasy, and adventure. It debuted in 1939 under the Munsey Company, already known for popular titles like Argosy, and quickly gained a devoted audience. The…

The major decline in city fires, explained in two charts.

From October 1st, the Norwegian Radiation and Nuclear Safety Authority will take over the operations of an air filter station near Ny-Ålesund in Svalbard. “This will be particularly important for nuclear preparedness in the north,” says section leader in the agency.

Climb the tallest remaining fire lookout tower in West Virginia for unparalleled views—if you dare.

Typst is a program for document typesetting. It is especially well-suited to technical material [...]

Doctor’s dissolve mass in woman’s stomach by getting her to chug soda.

As much as half of all spinal fusions don’t alleviate pain — why do doctors perform so many?

I’ve been studying the early history of electricity’s discovery as a map for our current discovery of artificial intelligence.
Our employment of electricity exceeds our understanding of it.
The result that we call intelligence emerges from many different cognitive primitives such as long-term memory, spatial awareness, logical deduction, advance planning, pattern perception, and so on.
In this concise guide, we'll break down the essentials of Monte Carlo simulation, explain how it works, and provide a simple example using Python.

Chinese diets are dictated by a culture of eating ingredients just hours after slaughtering or harvesting.
Motorola’s 68000 blended 32-bit power with a 16-bit bus, creating a balanced, orthogonal, and elegant architecture that powered everything from Macintosh to arcade machines.

Our physics expert picks his top-five equations, plus a scheme to supply US power needs with a bucket of baseballs. Thanks, Einstein!

These five equations should be part of your mental toolkit. They might even improve your bowling score.

Carbon dioxide is both a planetary threat and a driving force behind life on Earth, according to author Peter Brannen.

In the 15th and 16th centuries, the desire to expand and control the spice trade was one of the driving forces behind the Age of Exploration.

How did underwater shells from the Maldives become an instrumental form of currency in the Transatlantic Slave Trade?

Great food writing from around the net

One of the most important inventions of the 19th century was mauve dye, the first synthetic aniline dye.

Feeling fear is an evolutionary survival tactic. A small number of people have a rare condition that means they're not scared of anything. How do they live a life without fear?