Rocket Lab’s Electron small satellite launch vehicle conducted its 10th Electron will lift off from… The post Rocket Lab launches 10th Electron flight – critical step towards booster recovery appeared first on NASASpaceFlight.com.

For the third and final time this year, Roscosmos is ready to launch their Progress… The post Roscosmos to close their 2019 Station year with Progress MS-13 launch appeared first on NASASpaceFlight.com.

Stack Overflow and our Exchange sites get some great questions and answers. We think the folks from our community who share knowledge should be celebrated. So we’re introducing this bi-weekly roundup of questions that tickled our fancy. Want to give attention to a great question and/or answer? Tweet it with the tag #StackOverflowKnows and we’ll consider them for future installments of this series. 

(math.stackexchange.com)

How is it possible for an autonomous differential equation to hit infinity in a finite number of steps? What sort of mathematical wizardry is this? Is the math wrong, or  …