For the first time, astronomers have obtained visual evidence that a star met its end by detonating twice. By studying the centuries-old remains of supernova SNR 0509-67.5 with the European Southern ...

For the first time, astronomers have obtained visual evidence that a star met its end by detonating twice. By studying the centuries-old remains of ...

Watch an animation of a black hole shooting jets of particles through a "collapsing star at nearly the speed of light" and ...

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...

Today in the history of astronomy, satellites Vela 3 and 4 make the first detection of gamma-ray bursts.

IT is generally accepted that the low-angle X-ray diffraction pattern of collagen is unidimensional in the direction of the fibre axis with a fundamental period of 640 A. 1. Variations in the ...

I've always been fascinated by how materials break down, especially glasses and polymers that don't have a regular crystal ...

Astronomers studying the remnant SNR 0509-67.5 have finally caught a white dwarf in the act of a rare “double-detonation” ...

Responses of liquid xenon scintillator for /spl gamma/ rays whose energy range was from 59.5 keV to 4.43 MeV were measured. The experiment was made by a position-independent detector with 300 cc ...

Positron emission tomography (PET) imaging is one of the most investigated methods for range verification in carbon ion therapy. ${ }^{10} \\mathrm{C}$ (halflife of 19.3 s) is one of the important ...

Both cold nitrogen radiofrequency plasma and gamma irradiation have been applied to activate and functionalize the polylactic acid (PLA) surface and the subsequent lactoferrin immobilization. Modified ...