relham
Re:SpaceX NASA returning human spaceflight to United States today (can...
on Friday May 29, 2020 @12:26PM (#23352031)
I think the astronauts health makes them much less likely to die from Corona than 0.3% but exposing the current crew of the IIS does not sound like a good idea either.
Fatality rate is one thing, but being in a small space can cause high concentrations of virus and any health complication in space is a big deal.
A catastrophic failure is definitely a risk, but not sure how its magnitude should diminish our caution when it comes to bringing the virus to the space station (by your calc, it lowers the risk only by 5%).
Re:SpaceX NASA returning human spaceflight to United States today (can...
on Wednesday May 27, 2020 @01:08PM (#23326407)
And still Ken Mattingly was pulled from Apollo 13 3 days before takeoff because of a potential exposure to measles.
In the live video, most of the technicians and even Musk are wearing masks, most of them staying at some distance though. I doubt they were all quarantined for the last 2 weeks.
Re:SpaceX NASA returning human spaceflight to United States today (can...
on Wednesday May 27, 2020 @12:57PM (#23326207)
I assume the astronauts and everyone involved is tested daily for COVID-19. I am sure that bringing the virus to the IIS would be disastrous. Anyone has any insights on the measures taken to prevent it?
This Verge article[0] appears to describe the preventative steps to be less severe than I'd expect.
[0] https://www.theverge.com/2020/5/25/21264868/spacex-nasa-laun...
Simulation of aerosol spread in indoor spaces
BlueTrace Manifesto
Re:Medallion Fund “Stretches Explanation to the Limit,” Professor Claims
on Wednesday January 29, 2020 @08:47AM (#22180361)
3x levered nasdaq 100 would give you an annual volatility of at least 30-50%, occasionally much much higher. The crazy thing is that medallion presumably achieved this with a very small volatility and no significant drawdowns. Nasdaq 100 was down -42% in 2008, so levered 3x you would be out of business.
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Re:The First Plane in History to Fly Without Wing Flaps
on Thursday May 02, 2019 @12:03PM (#19809349)
Here is a video and a little more info:
https://www.bbc.com/news/av/uk-england-manchester-48123041/u...
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Re:Show HN: What's My Aircraft?
on Monday March 25, 2019 @05:18PM (#19486829)
This is great. An idea: make the aircraft names link to corresponding wikipedia pages or other sources of info on the specific planes.
Re:There and Snack Again: How to Eat Everything in the Lord of the Rings
on Wednesday February 06, 2019 @01:04PM (#19097761)
Not exactly medieval perhaps, but I think you will enjoy this episode of Planet Money on cooking a Peacock - the traditional way: https://www.npr.org/sections/money/2016/01/01/461504972/epis...
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Ask HN: What could you contribute in 1918?
If you were transported back a hundred years with nothing but your brain to work with, what technology could you build and share with humanity on your own? Let's assume you could use all technology available at the time.