资讯
Radio waves,on the other hand,are fundamentally different from sound waves.They are electromagnetic:they result from oscillations of the electromagnetic field and don't need a physical medium.So ...
System could reshape future battlefields by ensuring hidden communication and reducing detection risks, experts say.
Using electromagnetic waves to flummox and follow smarter weapons has become a critical part of the cat-and-mouse game between Ukraine and Russia. The United States, China and others have taken note.
Electromagnetic waves bring radio, television and endless streaming content to our devices. Remarkably, all these different waves are governed largely by the same fundamental physical principles.
THz waves, located in the far-infrared region of the electromagnetic spectrum, can be used to perform non-invasive imaging through opaque materials for security and quality control applications.
Many physical phenomena – including heat transfer, fluid flow and electromagnetic wave propagation, to name just three – can be described using partial differential equations (PDEs). Apart from a few ...
As electromagnetic waves travel, they collect information about their environment. This property is widely exploited in a host of applications that rely on waves being deflected, scattered or ...
Researchers demonstrated that specific electromagnetic wave frequencies can disrupt the SARS-CoV-2 Spike protein structure in virus-like particles, leading to reduced infectivity in cell models.
Sol Clarity is developing an electrodynamic screen (EDS), which charges dust particles with a static charge and then uses an electromagnetic wave to sweep them off the solar panels. The company is ...
Scientists blasted the 4,600-year-old structure with electromagnetic waves, a form of radiation that travel though the universe, finding it focused and amplified the energy into specific chambers ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果