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Yeah, based on pilot interviews I've watched where they discuss the ejection decision process, this situation was a pretty clear-cut case of "definitely eject immediately". What re…

I recently watched what appeared to be a USAF ejection seat training video. One of the most interesting things was that most ejection fatalities were attributable to pilots taking …

The shuttle SRBs floated vertically after splashdown, so I don't know why someone would be dumb for thinking the Falcon 9 booster might do the same.

I was hanging out with a buddy while he experimented with this. The quoted fare dropped from over $30 at around 2am (when all bars are legally required to close in my state) to aro…

If a driver does 15 shifts per month (which would be a pretty lazy schedule for most full-time cabbies I've talked to), you're looking at roughly $1500 per month just to use the ca…

Slightly OT, but spending a bit of time on Gallup's website recently has shown me much I've misjudged the popularity of a lot of attitudes.

>The risk of shifting from the 9-to-5 mindset to "getting things done" is that people will end up (and some already are) working 70/80 hours a week and die young of heart attack. T…

I like this advice. I worked with someone who built an aerospace company around an ultra-reliable actuator design he developed with a friend. They had put hardware on dozens of mis…

This happens to me often. It's also the reason I love the fact that StackOverflow automatically searches for the text in the question title box as you type it in. There have been a…

Since people have been hopeful about finding water there for a while, are there any good estimates for how much exploration mission costs would be reduced by if water were found?

Thanks for the detailed reply! I'm going to experiment with some of the things you mentioned.

Which conversion step do you think it would be easiest to improve upon? I'm curious, because increasing the rate of free trial signups by 30%, from 2% to 2.6% (which seems like a m…

(apart from the numbers adding up to 130%...) One issue is that the area of the figure should correspond to the number it represents. For example, the area for 3% should be 75% of …

Thanks for posting that. I had got about 80% of the way towards a similar model myself, but to see one laid out and formalized like that was very helpful.

Assuming one has created something that they are attempting to bootstrap, how does one go about finding these communities? Can they be found just by searching, or is it more diffic…

Same here. I was really excited when I first found out about it, but then it didn't come out for another few years. I'm sure I'll be ordering a copy soon, though.

I really enjoyed that book as well. Around that time, I came a across a documentary about both his run as well as the old Cannonball and US Express races. It was still being made a…

This relates to something I noticed recently. Out of the blue, I started receiving "join my network" requests from people whose names sounded vaguely familiar. I couldn't remember …

That might be true for certain classes or certain programs, but it didn't matter a bit for 90% of what I did. Life experience doesn't help you project free cash flow, consider the …

I would agree with this completely. I was in an MBA program from the ages of 23-25. A year later, the company I was working for started to run out of money. I had a lot of time on …

Clothing choices is one of the least consequential places for there to be a lack of individualism, and I hardly think it's a good proxy for judging how a group values freedom and i…

This is what impresses me so much about this photo. I think of nuclear bomb fissile materials as being one of the most precise things ever humans have ever made, yet the the fireba…

This is great; I've been looking forward to this book for a while. I'd recommend the author's blog, Quant Pythonista ( http://blog.wesmckinney.com/ ), where he posts details of his…