Blog Sat, 18 Aug 18 20:03:42 -0600 Blog en-CA Rec 2020 - Another issues Sat, 18 Aug 2018 09:11:41 -0600 Vitaliy_Kiselev 20259@/talks/discussions With usual Rec 709 primary colors most common approach is to use simple wide spectrum light source (like white diodes) and just filter out necessary light using subpixels. It is very cheap, good learned and stable thing.

For Rec 2020 (and similar color spaces) for display you need narrow color source or quantum dots with wider source. Problem is - narrow sources need thermal stabilization to make your primary colors stable :-) And quantum dots have their own issues besides capitalists who use patents to jack their prices.


PV Lab: Detecting individual photon for cheap Sat, 18 Aug 2018 09:07:35 -0600 Vitaliy_Kiselev 20258@/talks/discussions

Here it is simple red led GaP led with strong reverse bias voltage near breakdown turning it into avalanche photodiode

Degradation: Smart speakers sales on the rise Sat, 18 Aug 2018 01:57:30 -0600 Vitaliy_Kiselev 20254@/talks/discussions image


Extremely short FAQ on Tramp actions Fri, 17 Aug 2018 09:51:56 -0600 Vitaliy_Kiselev 20252@/talks/discussions Could he just follow previous global trade and minimal fees strategy?

No, as representative and just tool of ruling class (you don't expect finger getting his own though) he must follow interests of ruling class.
And delay with fees on China goods could end up very bad for big remaining US monopolies.
Biggest danger is on smartphones, computer market, wireless equipment markets.
Hence we see closed market for biggest Chinese brands, ban for buying wireless equipment.

What fill follow?

More and wider fees. Slow turn of propaganda machine to form new evil empire, it is slow process.
Next clash will happen in internet where, to sudden surprise, US will start to form barriers and extreme censorship in areas where it is vulnerable.
And, of course, will push "no barriers" agenda where they are much more powerful for now.

But he already declared Greatness archieved..

I have already MADE America Great Again, just look at the markets, jobs, military- setting records, and we will do even better.

Unfortunately such greatness always ends with tens of millions of dead people. Rule of capitalism.

US: Checking on students 24/7 Thu, 16 Aug 2018 01:10:54 -0600 Vitaliy_Kiselev 20247@/talks/discussions

Saint Louis University will put 2,300 Echo Dots in student residences.

The school has unveiled plans to provide all 2,300 student residences on campus (both dorms and apartments) with Echo Dots by the time classes begin in late August.

The university said it was the first such institution to put smart speakers in every residence.

Of course, it is juts "help the students", for sure. Not to have dedicated microphones working 24/7 and checking all that happens.

Cherry MX Factory Tour Mon, 13 Aug 2018 04:23:24 -0600 Vitaliy_Kiselev 20235@/talks/discussions

Lab: Avalanche Photodiodes Sun, 12 Aug 2018 06:48:00 -0600 Vitaliy_Kiselev 20232@/talks/discussions

Why this thing is useful? Because it has very small rise time. Hence you can measure even extremely high frequency light PWM with it :-)

Capitalism: US cities with most million dollar houses Sun, 12 Aug 2018 03:52:12 -0600 Vitaliy_Kiselev 20231@/talks/discussions image