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"If one could find a specific date for birth of personal computing, it would be May 5 1966, when Stephen B Gray founded the Amateur Computer Society and began publishing a quarterly called the _ACS Newsletter_" (BYTE 1978) archive.computerhistory.org/re

Manually operated nine level paper tape reader! Connects to any parallel port! Just add a light source and pull!

It's like a claw game where every prize is a free bicycle!

Since I couldn't find any examples of how to receive Linux kernel uevent messages, I wrote a small demo to show how to read from the NETLINK_KOBJECT_UEVENT raw sockets and parse the messages into a text form: github.com/osresearch/safeboot

A-Frame is wonderful fun - a few lines of code and suddenly there is a full 3D world to explore in VR.

Sonic hedgehog is an archetypal example of a morphogen as defined by Lewis Wolpert's French flag model—a molecule that diffuses to form a concentration gradient. It controls the proliferation of adult stem cells & has been implicated in the development of some cancers.

Movie pitch for Michael Bay: _The Transfermium Wars: Revenge of the Unununium_
(image by twitter.com/blockwonkel/status)

While you're on lockdown, why not also lockdown your Linux laptop with safeboot? It adds UEFI SecureBoot + Yubikey hardware platform keys + Signed kernel/initrd + TPM sealed disk encryption + SIP-like root filesystem protection to Ubuntu 20.04. safeboot.dev/

Pandemic 

When you're the only one in the squad taking the social distancing seriously.

Booting the Linux kernel with `ro` or running `mount -o ro` might still generate writes to the root filesystem device, which will corrupt any dmverity hashes. That's problematic.

It seems that the TCG looked at the absymaly low adoption rates for TPM 1.2 and thought "maybe more people will use TPM v2.0 if we make the tools even worse?"

unix rant 

One of my least favorite "improvements" is that `less` by default clears the screen when you quit. So you find exactly what you want in the man page, hit `q` to return to the shell, and it erases exactly what you needed to see. Every time I move to a new system this annoys me until I fetch my dotfiles.

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