资讯

This paper deals with radiation and low frequency scattering of electromagnetic waves in a general anisotropic homogeneous medium. The explicit exact form of the four spectral Green's dyads is ...
The United States’ Defense Advanced Research Projects Agency (DARPA) recently achieved a new record in transmitting energy ...
Under Zeldin, the Environmental Protection Agency is ​t​orching regulations that protect us from ​a terrifying range of toxic ...
Imagine waking up one morning to find that Earth’s atmosphere has vanished—gone, as if erased by an invisible hand. Suddenly, ...
Recent advances in very high-resolution tomographic synthetic aperture radar (SAR) inversion using multiple data stacks from different viewing angles enable us to reconstruct the reflectivity function ...
She points out that art, as "the horn of the times", reflects and leads the cultural trends of an era. Through its ...
A new analysis of BL Lacertae by NASA’s Imaging X-ray Polarimetry Explorer sheds light on the emission mechanisms of active ...
A team of researchers at Aalto University in Finland has developed an ultra-thin material that can dynamically switch between ...
A groundbreaking collaboration between Los Alamos scientists and Duke University has resurrected a nearly forgotten 1938 ...
Many readers will be conscious of the emerging PR operation to promote nuclear power and admonish the Government ...
The Universe is a vast, twinkling enigma, teasing us with secrets that feel like they're just out of reach. Scientists at ...