Rex_Mundi
Rex_Mundi t1_isaw39q wrote
Reply to comment by Dokino21 in Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science by AutoModerator
The presence of the Moon (which has about 1/81 the mass of Earth), is slowing Earth's rotation and extending the day by about 2 milliseconds every 100 years.
Rex_Mundi t1_is1feyr wrote
I was looking at the ancient city of Shangdu on Google Earth. I zoomed out and it kind of looks like it is on the edge of a huge ancient crater.
Is it?
Rex_Mundi t1_ixhirt2 wrote
Reply to Sheep flocks operate as a type of ‘collective intelligence’ and elect temporary leaders to guide them while moving. The fluidity of this process is extremely surprising. by nimobo
"We're an anarcho-syndicalist commune. We take it in turns to act as a sort of executive officer for the week. But all the decision of that officer have to be ratified at a special biweekly meeting. By a simple majority in the case of purely internal affairs but by a two-thirds majority in the case of more important affairs."