A new method for designing aperiodic volume optical elements will offer researchers more degrees of freedom in the design of optical devices. Rafael Piestun explained to Nature Photonics how this ...

Posts from this topic will be added to your daily email digest and your homepage feed. Protect your ears and get your audio down to a reasonable level. Protect your ears and get your audio down to a ...

You probably know that listening to music and podcasts on your smartphone can harm your ears, depending on how loud you pump up the volume when using headphones. There are very delicate structures in ...

Volume is the number of shares of a stock that have changed hands over a certain period of time, typically one day. Stocks with higher volumes have more investors interested in buying or selling them.

Casey Murphy has fanned his passion for finance through years of writing about active trading, technical analysis, market commentary, exchange-traded funds (ETFs), commodities, futures, options, and ...

Volume, or the amount of trading activity per security, is one way for investors to gauge investment trends as well as momentum. How much trading interest does a security have? One way to measure it ...

Interpreting volume in the futures market differs from doing so for stocks. Futures contracts have an expiry date, while stocks do not. This means volume fluctuations and patterns can mean something ...