Discover and read the best of Twitter Threads about #testing

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The place where "testing vs. checking" starts to really leak (as all metaphors do but still…) is the Cartesian division of "things a human does" and "things a computer does."

First, Safety-II and therefore #devops, explicitly reject the Cartesian view of complex systems.
For instance the idea that there exists a computer activity called "checking" and what "checking" does is it validates assumptions.

There is a problem right there. Validation assumes some kind of goal-oriented behavior — telos — which computers do not on their own, have.
As covered pragmatically in the classic paper "The Ironies Of Automation" and further explored by Donna Haraway: computers on their own are not capable of "validation" because validation implies an understanding of some set of moral *values.*

But computers can't do that.
Read 36 tweets
Underground Nuclear Testing
A thread covering this document’s content, it has some nice details too!
Note: Two Types of Underground Tests - Shaft and Tunnel, Weapons Development (DOE) vs Effects Testing (DOD), Shafts and drilling
1/n
#underground #nuclear #testing #us #nts
Underground Nuclear Testing
Drilling, Emplacement, Tunnels mining, drilling, blasting
2/n
#underground #nuclear #testing #us #nts
Underground Nuclear Testing
Rotary Head Drilling, Tunnel Boring Machines (15-30 ft/day), tunnels and cavities, HLOS Horizontal Line of Sight Pipe
Note: Check out diagram appears to be locations of Reentry vehicle warheads in cavity
3/n
#underground #nuclear #testing #us #nts
Read 9 tweets

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