News tagged with field emission

Studies find echoes of black holes eating stars

Supermassive black holes, with their immense gravitational pull, are notoriously good at clearing out their immediate surroundings by eating nearby objects. When a star passes within a certain distance of a black hole, the ...

dateSep 15, 2016 in Astronomy
shares65 comments 3

Defective nanotubes turned into light emitters

Scientists are usually after defect-free nano-structures. Yet in this case the UPV/EHU researcher Angel Rubio and his collaborators have put the structural defects in boron nitride nanotubes to maximum use. The outcome of ...

dateOct 31, 2013 in Nanophysics
shares0 comments 0

Magnetic fields are crucial to exomoon habitability

Astronomers believe that hidden deep within the wealth of data collected by NASA's Kepler mission are minuscule signatures confirming the presence of exomoons. With such a promising discovery on the horizon, researchers are ...

dateSep 27, 2013 in Astronomy
shares0 comments 2