After 15 years on Facebook, I’ve deleted my account.

This is a denoscription of the Common Lisp ecosystem, as of January, 2021, from the perspective of a user and contributor.The purpose of this article is both to give an overview of the ecosystem, and to help drive consolidation in each domain.Each application…

GitHub's Status Page - Incident on 2021-02-08 15:59 UTC.

@Google my account has now been disabled for over 3 weeks. I still have no idea why, and after using every resource I have to get this resolved you have done nothing but given me the runaround.

Tech and fashion logos are becoming increasingly similar, all of them using sans serif fonts. Why do they do that? And why it doesn't make sense.

This paper reports the design and test results of a single-flux-quantum (SFQ) bit-serial adder, which we designed with a target-clock frequency of 100 GHz, to investigate several techniques for producing ultra-high-speed computations using SFQ circuits. The…

Kristina Lustig, formerly our Director of Design, explains why she took a new role as an associate software developer.

This book will help you master algorithms programming using Lisp, including using the most important data structures and algorithms. This book also covers the essential tools that help in the development of algorithmic code to give you all you need to enhance…

Nature - Nearly half a million genomes reveal five DNA markers associated with sexual behaviour — but none with the power to predict the sexuality of an individual.

Walking is one of the simplest and most strategic things you can do for yourself. It takes little preparation, minimal effort, no special equipment, and it can contract or expand to fit the exact amount of time you have available. According to the Centers…

I turned 30 last week and a friend asked me if I'd figured out any life advice in the past decade worth passing on.  I'm somewhat hesitant to publish this because I think these lists usually seem...

Terraria co-creator Andrew Spinks is the latest high-profile victim of Google’s ban-first, answer-questions-never approach to creators on its platform, but the problem goes back over a decade. Like countless internet users, Spinks had loads of money and data…

Stephen Wolfram explores multiway Turing machines, finding some significant surprises. A look at ordinary vs. multiway, simple rules, visualization and multispace, causal graphs, causal invariance, finite tapes.

How to format blog content so it’ll last.

My talk should be on in about an hour and a half from when I post this. A possible next evolutionary step for computers is persistent memory: large capacity non-volatile main memory. With a few terabytes of nonvolatile RAM, who needs an SSD any more? I will…

A post about my personal opinion on blockchain (spoiler: I'm not a fan)

Last night during Super Bowl LV, Mountain Dew ran an ad featuring John Cena riding through a Mountain Dew-themed amusement park. Bottles are scattered all over the scene: neon signs on buildings, in fun house mirrors, and flying out of the car trunk. At the…