Viewing profile — staikken

I was under the impression that the filtration efficiency by particle size for such a filter was not a linear relationship.[0] So manufacturing to a lower bound of 3 may not say mu…

I've worked for a company that measures PM2.5 in the past. Using a HEPA filter to remove PM2.5 seems unlikely to me. Perhaps there's something more going on here than I've picked u…

Yes, self selection as a response to perceived discrimination, or "lack of fit", is different from outright discrimination. But no less a problem, and certainly not unchangeable!

I absolutely have seen a decrease in quality. I used to be able to use keywords to divide the search space very effectively (ie "programming language" "concept" "version"). Now it …

Not if you include those that did not survive in your sample / analysis. From the link "concentrating on the people or things that made it past some selection process and overlooki…

Note also if for some reason the payment fails (for example an error with the captcha) the payment resets to $25. Didn't catch it the second time through the payment process.

Isn't the $100,00K in this case the premium on the option? Taking the price SoftBank is offering, $33, those 20,000 shares are worth 660,000 so a net profit of 560,000 and a tax of…

I find I learn a lot more about a system by how it has been broken or how it has failed. What are some good books, articles about how things break?

Ishitani Furniture. Amazing woodworking craftsmanship. There's no voice over (and also little music) so it's not strictly informational but it's so peaceful and beautiful to see ev…

Heard a similar story about a laboratory system with tight environmental controls. Every so often the humidity would spike and the room would go out of tolerance after typical work…