With the oversight of senior management and our audit committee, we have begun taking steps and plan to take additional measures to remediate the underlying causes of the material weakness, primarily through the development and implementation of formal policies, improved processes and documented procedures, as well as the hiring of additional finance personnel.

FORBES: Connect

Locklin and his colleagues sprayed the substance onto materials and exposed them to ultraviolet light, which causes a covalent bond with the host material.

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The new mind-set could mean involvement with philanthropy and other causes that could (at least partially) replace material luxury as a status symbol.

FORBES: Retail

In a full meltdown, such as the 1986 Chernobyl disaster in the Soviet Union, the rods melt completely and the release of energy causes an explosion that contaminates the surrounding area with radioactive material.

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Whenever one of these companions passes close by, the pull of gravity causes both stars to send out jets of matter, again wasting the raw material of a possible solar system.

ECONOMIST: Planetary formation

The other, which faces a specialised type of solar cell made of a material called indium gallium arsenide, is sculpted into a structure called a photonic crystal that causes it to emit infra-red radiation selectively at the frequency best absorbed by the cell.

ECONOMIST: Solar power