Materials scientists can learn a lot about a sample material by shooting lasers at it. With nonlinear optical microscopy—a ...

Solving an equation means finding the value or values for which the two expressions on each side of the equals sign are equal. One of the most common methods used to solve equations is the balance ...

TWA is one such semiclassical approach that dates back to the 1970s, but is limited to isolated, idealized quantum systems ...

Gravitational waves are energy-carrying waves produced by the acceleration or disturbance of massive objects. These waves, ...

The barking dog featured in the bottom-right-hand corner of Rembrandt’s legendary painting The Night Watch was likely copied directly from a similar work by a lesser-known artist, art historians now ...

A number machine is a way of writing rules using a flow diagram. The equation \(3j - 6 = 9\) can be shown on a number machine by writing out the functions that have been applied to \(j\) in the order ...

Instagram has quickly become one of the most popular social media platforms not only for posting photos and videos, but also for sharing memes and messages with friends. If you see a funny post or an ...

Abstract: In this paper, the problems of intermittent fault (IF) estimation and detection are investigated for stochastic nonlinear systems disturbed by noises with uncertain covariances. The research ...

A study suggests that the first of seven key pyramids in Egypt, the Step Pyramid of Djoser, was built using a hydraulic lift. Dated to about 4,500 years ago, this would move up the introduction of ...

Innovations aren’t delivered by just a few people – everyone working within a food system can innovate. It is important that all stakeholders identify the actions that will deliver most impact in the ...