Hubble close-up of light-year-tall hydrogen and dust pillars within the Carina Nebula.
Credit/Acknowledgment: NASA, ESA, and the Hubble Heritage Project (STScI/AURA), M. Livio (STScI) and N. Smith (University of California, Berkeley)
Simple, atypical but neat estimation of energy released in fission
1 week ago in The Curious Wavefunction