In this paper, a new hybrid approach is presented based on the combination of the power series expansions and the Rayleigh-Ritz method for stability and free vibration analyses of axially functionally ...

In the present paper, a simplified homogenized beam theory is used in the context of a numerical investigation regarding the dynamic behavior of a rotating composite hollow shaft. For this aim, a ...

Researchers at Johannes Gutenberg University Mainz (JGU) have developed a method which gives access to the valuable raw materials formate and hydrogen from the waste product glycerol. Formates are the ...

"Chemical rockets that we use today, even with the extra speed boost from flying by planets, or from swinging by the sun for a boost, just don't have the ability to scale to useful interstellar speeds ...

Microscope images could be obtained much more quickly -- rather than one pixel at a time -- thanks to a new imaging method for neutral atomic beam microscopes. It could ultimately lead to engineers ...

A close-up of the magnetic encoding device before it was attached. The atomic beam enters the device through the hollow white ceramic tube shown. Microscope images could be obtained much more quickly ...

This is an updated version of a story first published on March 31, 2024. The original video can be viewed here. This report is the result of a joint investigation by 60 Minutes, The Insider, and Der ...

Abstract: The aim of this paper is to investigate a direct numerical method for solving a class of a fractional variational problem (FVP). The fractional derivative in the FVP is in the Caputo sense.