Memes in the Watson category “/science/geology/seismology/earthquakes”

21–22 of 22

Atoms Within Our Bodies Still Release the Energy of an Ancient Supernova

Explosions are seldom one hundred per cent efficient. When a star ends as a supernova, the nuclear explosive material, which includes uranium and plutonium together with large amounts of iron and other burnt-out elements, is distributed around and scattered in space just as is the dust cloud from a hydrogen bomb test…

Apr 11, 2011 1 1

astronomy
earth
ionian enchantment
supernova
wonder

Look at a Four Way Stop Intersection to See Why Civilization Works

First, if you want to see clues about our future, step away from your computer screen. Go outside and stand near a four-way intersection that’s regulated only by stop signs. Watch for a while as drivers take turns, not-quite-stopping while they gauge each others’ intentions, negotiating rapid deals with nods and…

Dec 26, 2010 1 1

centrism