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I have started working on my ROES SWR meter again. Hope to finish the v2 of the project in the next week and get some PCBs printed.

This has been int he making a long time now. Always wanted a super high-tech SWR meter.

🎓 Dr. Freemo :jpf: 🇳🇱  
A sneak peek at the first draft for the new UI in V2 of my ROES meter, an advanced SWR meter with VNA capabilities. I still need to cleanup the loc...

Day 16 in quarantine....

Dough, an ingredient, a bread ingredient.

Ray, a graphical vector

Me, a group, a Methyl group

Far, a distance relative

Sow, a thing botanists do

La, is short for Lagrange point

T, we use it to mean time

and that will bring us back to dough dough dough....

In case you are curious this is what eggs look like when they are still developing inside a chicken.

YAY! just passed 10,000 users today! So awesome. Thank you to all our users and friends it has been an amazing journey so far!

:nyancat_rainbow:​​​​:nyancat_rainbow:​​​​:nyancat_rainbow:​​:nyancat_rainbow:​​​​:nyancat_rainbow:​​​​:nyancat_rainbow:​​​​:nyancat_body:​​​​:nyancat_face:

QOTO User Count  
10,014 accounts +26 in the last day +217 in the last week

So apparently one of my buddies is trying to train a Neural Network to identify if someone is asian or not from a photo of their feet...

Dude has got some serious problems...

Will be interesting to read the paper in the Science journal though, that's for sure :)

Every researcher and their grandma is getting in on the COVID-19 craze. Its all over arXiv

The biggest risk in the coronavirus epidemic in my non-expert opinion is going to be assortment. IF this happens with any of the strains already adapted to infect humans we might really be in trouble...

We already know that Coronaviruses int he wild are capable of recombination...

A good read and somewhat related:

Wong MC, Cregeen SJ, Ajami NJ, Petrosino JF (February 2020). "Evidence of recombination in coronaviruses implicating pangolin origins of nCoV-2019". bioRxiv (preprint). doi:10.1101/2020.02.07.939207.

I'm not particularly scared of the Coronavirus.. yes a lot of people will die and it will be a tragedy and I wish it could be avoided, but its not the end of the world, most of us will make it through.

What scares me though is if this thing starts recombinating with the other coronavirus strains, plus there may already be two strains of the one causing the epidemic too.

If this thing start recombinating the problem is never going to go away and vaccines may never be possible. That is a scary though.

newscientist.com/article/22365

Some really nice eye candy showing various quarantining and social distancing techniques and how it effects the spread of a virus.

Worth checking this out even if its just for the animations:

washingtonpost.com/graphics/20

Some Hard information on as compared to other epidemics in recent history.

==COVID-19==
R0 = 2.2
Global Mortality: 7%
Death Toll = 4,718 (and rising)

== 2009 Swine-flu ==
R0 = 1.5
Global Mortality: 0.04%
Death Toll = 500,000

== 2002 SARS ==
R0 = 3
Global Mortality: 9.6%
Death Toll = 349

== 1920 Spanish Flu ==
R0 = 2
Global Mortality: 2.5%
Death toll = 100 million

For those who don't know R0 is the average number of people who will contract the disease from an infected individual.

As you can see the numbers are very concerning. The only disease that had the same potential for damage as this would have been the SARS epidemic in 2002. Luckily it was contained early on and never spread. The big difference seems to be the 2002 SARS epidemic had very few if any asymptomatic individuals. So it was easy to stop the disease before it spread (artificially lowering the R0 effectively).

However the COVID-19 has a large portion of people with the disease whoa re asymptomatic. This causes the spread to go unhindered. Despite having a lower R0 and lower mortality rate the death toll is already more than 10x what it was for 2002 SARS.

The numbers are scary, it suggests to me, we are in for some really nasty times ahead...

Hi everyone, I sorry to do another so soon but we have another new member I wanted to share with everyone.

@jinohchoi recently joined the family and after chatting with him I wanted to share his account with everyone, I'm looking forward to seeing some wonderful content coming from him.

He is new here in the so would be great if we can all show him what a great place this can be.

He is Director of ICT at "Pint of Science" with an interesting past, for example he was also the Vice-chair for March for Science. He describes himself as "...a science advocate who seeks to promote critical thinking and an understanding of the scientific method."

Looking forward to seeing some great posts from him in the future.

JinOhChoi 🇦🇺  
I'm Director of ICT, Pint of Science Australia (https://pintofscience.com.au/). Former President of the Launceston Skeptics (https://www.launceston...

Anyone know if there is a good framework or something out there that implements a distributed Graph Database using Tinkerpop 3.x?

Whats your favorite rapid diagramming tool for UML type diagrams? Mine is Umlet.

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