Black Hole Lab is an open source physics simulation of a rotating black hole and two observers, Alice and Bob. You can launch Alice and Bob on paths around or into the black hole and watch events play out. The simulation lets you see a slice of the physics with one or two dimensions of space ...
1 points, 0 comments on Hacker News
1 points, 0 comments on Hacker News
Attacks on Saudi airports have killed several people and disrupted hundreds of flights, prompting Washington to consider a larger military role in Yemen.
1 points, 0 comments on Hacker News
Parts of the capital city of India, the world's largest democracy, are on lockdown. Protests over sweeping revisions to the voter rolls were met with a massive police crackdown.