If you feel a policy, law or even a world leader needs changing, the first step is simple: you protest. Protesting has long been a way for marginalized communities to combat oppression. But the act of ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Robert Kelly is managing director of XTS Energy LLC ...

The work presented in this study is concerned the development of a new solar cell prototype in order to improve photovoltaic efficiency In this model we show that the material can have five and more ...

Abstract: Window design in overmoded waveguides that achieves both broadband and high power is a challenge in the vacuum electronic devices. Here, a broadband overmoded meta-surface-assisted window ...

U.S. News Insider Tip: Random people will most likely offer to photos of you "for free"–don't fall for it! It's a common scam. After taking lots of – often really bad – pictures, they'll pressure you ...

New satellite scans have uncovered hidden chambers inside Egypt’s ancient pyramids, revealing structures that were completely unknown until now. These discoveries suggest the pyramids may be far more ...

Abstract: Charge accumulation on a solid dielectric surface is one of the critical concerns for the design and optimization of the insulation system in a high-voltage power equipment, since it will ...