You'll often hear something like 'invest in an index fund and get 8% returns'. How reliable is that 8% (or whatever number you hear)? Is that between 7% and 9% most of the time? 5 and 11%?

If you know nothing but the quality of a team's recruits, can you predict their performance?

How do you set plotly's zoom level programmatically?

Metallica has changed styles several times through their career. Does this show up in the song tempos over time/by album?

I was curious how close ping times got to the physical ideal time.