Scientists at the ORNL have created a neutron method that can identify nuclear materials without opening or damaging ...

Basic Luenberger observer implementation for both continuous-time and discrete-time LTI systems. Demonstrates observer gain design via pole placement and the ...

RAPID CITY, S.D. — After three years of research, two South Dakota Mines professors have developed a sustainable method to extract rare earth elements from discarded coal mine waste, possibly creating ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

All the world’s discarded phones, bricked laptops, and other trashed electronics are collectively a treasure trove of rare earth elements (REEs). But separating out and recovering these increasingly ...

The U.S. Department of Energy is seeking companies to commercialize three innovative federally developed technologies to remove critical minerals and rare earth elements from coal waste. The coal ...

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Abstract: This study numerically investigated the particle movement and screening behavior on a vibrating sieve using the discrete element method (DEM). The accuracy of the DEM model was validated by ...

ABSTRACT: A system of ordinary differential equations (ODEs) is produced by the semi-discretize method of discretizing the advection diffusion equation (ADE). Runge-Kutta methods of the second and ...

Enlarged head anchors are commonly used in the anti-floating of underground structures and foundation pit support, where the anchoring force is increased by full contact between the enlarged head ...