Around age six, we start learning how to tie our shoelaces, making knots that look like ribbons—or possibly more complex forms, if we are a little clumsy. We use knots every day, but the type of knots we generally use are ...
Optics & Photonics
Jun 10, 2019
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37
Imène Goumiri, a Princeton University graduate student, has worked with physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) to simulate a method for limiting instabilities that ...
Plasma Physics
Apr 15, 2016
7
23
Most galaxies host supermassive black holes at their nuclei, each with millions or billions of solar-masses of material. There is thought to be a torus of dust and gas around the black holes, and an accreting disk that becomes ...
Astronomy
Jan 7, 2019
84
235
(Phys.org) -- Seyfert galaxies are similar to normal galaxies like our own Milky Way except in one critical respect: their nuclei are fantastically bright, in extreme instances as luminous as 100 billion suns. Astronomers ...
Astronomy
Apr 24, 2012
4
0
The most ambitious drone-based investigation of severe thunderstorms to date will soon be launched by atmospheric scientists at the University of Nebraska-Lincoln and three partner institutions: Texas Tech University, the ...
Earth Sciences
Apr 4, 2019
0
10
