From cosmic rays to CT scans, radiation surrounds us but not all exposure is dangerous. Here’s how to separate fact from fear ...

Abstract: In PET scanners with lutetium-based scintillators, such as LSO, the background radiation from radioisotope 176 Lu can be used to create an estimate of the patient attenuation maps. While ...

Researchers Vikas Sonwalkar and Amani Reddy identified what they call a "specularly reflected whistler," a wave that carries the energy from lightning from the ionosphere, at an altitude of 34 miles ...

Scientists may have found a new way to detect some of the universe's most mysterious objects, primordial black holes (PBHs), using Hawking radiation. This groundbreaking approach relies upon ...

问题简述 (One-line summary) I would like to add an image background to my chart (like a photo). I couldn't find any documentation how to do this. Should I use chart.getZr () and then add a ...

Specialists briefed al-Sudani that no increase in background radiation levels had been detected across Iraq, it said. The emergency operations room also affirmed the "full readiness of response teams ...

The effects of the space radiation environment on spacecraft systems and instruments are significant design considerations for space missions. In order to meet these challenges and have reliable, cost ...

The U.S. Department of Energy’s National Nuclear Security Administration (DOE/NNSA) announced that low-altitude helicopter flights will be conducted over the Las Vegas valley and surrounding ...