Five well-publicized polar geoengineering ideas are highly unlikely to help the polar regions and could harm ecosystems, ...

At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.

I needed an XY motion platform for an upcoming project, and had some prior CAD work for a "T-Bot" parallel cartesian mechanism. Let's machine some parts and assemble! Not as simple as v-wheels and ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

In what it hails as “a historic milestone for the Canadian shipbuilding industry,” Lévis, Quebec-headquartered Davie today officially began construction of the Polar Max icebreaker at its Helsinki ...

Abstract: A dual active bridge (DAB) is an isolated dc–dc converter that supports bidirectional power flow and hence finds a wide range of applications. To achieve high efficiency and power density, ...

Abstract: A number of factors, including environmental effects, cost efficiency, delivery time, and capacity, must be considered when choosing an eco-friendly method of transportation. This is a multi ...