mrb's blog

In 2011 Andrés Ruzo began studying the Shanay-timpishka, a boiling river in the Amazon.

Shipping companies like FedEx or UPS sometimes determine the shipping rate by calculating the dimensional weight, or dim weight, of the package.

I made a Linux kernel patch to support ECC memory on AMD Ryzen 5000 APUs (codename Cezanne.)

When I buy a laptop, the first thing I do is netboot into a PXE Linux environment and make a full raw disk image backup of the pre-installed Windows OS.

A semi-popular Twitter thread by @boriquagato argues that stay-at-home orders are ineffective at reducing mortality in the US: “there is just no evidence that this incredibly expensive and harmful policy has any effect at all.”

Estimating the case fatality ratio (CFR) of the 2019 novel coronavirus is crucial to inform policy makers and help them make the best decisions.

In this post I will reverse engineer the Costco Android app to find out how the digital membership card works, and how to generate the time-based token encoded in its QR code.

I reviewed the following two research reports published by analysts at Morgan Stanley on the subject of Bitcoin electricity usage: Bitcoin ASIC production substantiates electricity use; points to coming jump, by James E Faucette et al., January 3, 2018 Bi…

March 2017 was a significant moment for Bitcoin: the average block size bumped into the 1MB limit, stunting the growth of the transaction rate ever since.

In the context of the Bitcoin scaling debate, small blockers believe that if the block size limit is doubled, running a fully validating Bitcoin node will become expensive and only well-funded corporations will be able to run nodes, hence increasing centr…