Engineering

Preventing the impact sound annoyance from lightweight floors

One of the biggest noise nuisances in homes arises from people simply moving around their homes. In particular, this can be quite disturbing for people living in buildings where adjoining homes have traditional wooden floors. ...

Robotics

Robot overcomes uncertainty to retrieve buried objects

For humans, finding a lost wallet buried under a pile of items is pretty straightforward—we simply remove things from the pile until we find the wallet. But for a robot, this task involves complex reasoning about the pile ...

Computer Sciences

Nanostructured surfaces for future quantum computer chips

Quantum computers are one of the key future technologies of the 21st century. Researchers at Paderborn University, working under Professor Thomas Zentgraf and in cooperation with colleagues from the Australian National University ...

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 ...

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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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