资讯

The bill also includes a huge tax hike for certain universities and rescinds major clean energy and climate research funds.
Extreme weather events — though rare — destroy ecosystems and end lives, and they are becoming more common with rising global ...
Advancements in polymer science are transforming the retinal disease treatment landscape, addressing clinical challenges such ...
Minimizing crosstalk between imaging regions leverages the sensitivity and spectral range of single-photon imaging with the ...
Amphibious seals are less susceptible to hearing loss from airborne noises than their relatives and some can learn to close ...
Injected ions couple to ambient charged plasma in many real-world environments, from spacecraft thrusters exiting Earth’s atmosphere, to volcanic ejections interacting with planetary magnetic fields.
The tail of a bacterial cell, known as a flagellum, allows the cell to propel itself through liquid. The flagellum is made of a hook, a basal body that acts as the motor, and a helical filament that ...
In certain circumstances, laser-induced plasmas can lead to unwanted effects in many high-power laser applications, such as laser processing. Plasma generation from lasers has been a stubbornly ...
Present-day wireless communication and radar system applications demand more powerful radio frequency amplifiers. Because they’re more efficient and compact, gallium nitride high-electron-mobility ...
The Mpemba effect — named for a Tanzanian physics student who first observed it while making ice cream in 1963 — refers to the thermodynamics phenomenon of how hot substances or materials, such as ...
Though widespread in use within the physical sciences, classical molecular dynamics simulations — which predict the motions of molecules in a system — are not able to capture the nuclear quantum ...
Mediterranean monk seals are the rarest seal species on the planet, with only a few hundred individuals living on a collection of islands throughout the Mediterranean. Conservation efforts are ...