Top posts

Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,457 posts.

Science & Space
Any year
4201

Evaluating Extraordinary Claims

To demonstrate the problem, I did a simulation where I generated 480 random numbers per subject, representing the 480 time slices in the experiment. I repeated this generation of random numbers 20 times. I compared the send and no-send intervals of random numbers using a T-test; none of the 20 trials found a…

4208

A Rocket to Nowhere (2005)

The Space Shuttle Discovery is up in orbit, safely docked to the International Space Station, and for the next five days, astronauts will be busy figuring out whether it's safe for them to come home. In the meantime, the rest of the Shuttle fleet is grounded (confined to base, not allowed to play with its spacecraft…

4209

How much do rockets pollute?

Some might find it ironic that an organization like NASA, who studies our atmosphere, is ok with rockets polluting it so much. Or isn’t it weird that Elon Musk, the same person who is pushing sustainable energy with Tesla also has a rocket company that runs on fossil fuels? So today we are going to do a deep dive into…

4222

How to destroy the earth

Preamble Destroying the Earth is harder than you may have been led to believe. You've seen the action movies where the bad guy threatens to destroy the Earth. You've heard people on the news claiming that the next nuclear war or cutting down rainforests or persisting in releasing...