Telecom

CubeSat set to demonstrate NASA's fastest laser link from space

NASA's Pathfinder Technology Demonstrator 3 (PTD-3) mission, carrying the TeraByte InfraRed Delivery (TBIRD) system, will debut on May 25 as part of SpaceX's Transporter-5 rideshare launch. TBIRD will showcase the high-data-rate ...

Internet

An innovative technology for 6G communication networks

Carrying data streams using the terahertz (THz) spectral region could meet the ever-growing demand for unprecedented data transfer rates, i.e. terabits-per-second (Tb/s), since it offers a higher available bandwidth. However, ...

Energy & Green Tech

Why we need hydropower for a resilient grid

America's most critical piece of energy infrastructure—the grid—is more vulnerable than ever before. The reasons are two-fold: a shift in power source mix is affecting grid stability, combined with an uptick in natural ...

Telecom

Developing a liquid radio antenna

Solid, metal antennae have been the standard in a wide range of technologies for decades, including a wide variety of radio communications and scanning such as radar. However, research into the concept of liquid antennae ...

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Frequency

Frequency is the number of occurrences of a repeating event per unit time. It is also referred to as temporal frequency. The period is the duration of one cycle in a repeating event, so the period is the reciprocal of the frequency. For example, if a newborn baby's heart beats at a frequency of 120 times a minute, its period (the interval between beats) is half a second.

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