Do spikes in Twitter chatter about a firm precede unusual stock market trading activity for that firm? If so, Twitter activity may provide useful information about impending financial market activity in real-time.We study the real-time relationship between chatter on Twitter and the stock trading volume of 96 firms listed on the Nasdaq 100, during

Point contacts between high anisotropy ferromagnetic SmCo _5 and normal metal Cu are used to Arm Crank achieve a strong spin-population inversion in the contact core.Subjected to microwave irradiation in resonance with the Zeeman splitting in Cu, the inverted spin population relaxes through stimulated spin-flip photon emission, detected Wide Brim H

VITAMIN D3 1000IU A mathematical model that governs unsteady coupled moisture and heat energy transport through an exterior wall covered with vegetation is described.The unknown temperature and moisture content of the plants and canopy air are represented by a system of nonlinear ordinary differential equations (ODEs).The transport of moisture and

In the past the unsuitable choices made when choosing products to be used for conservation actions related to artefacts of historic-artistic interest were mainly due to wrong assessments.More specifically this means: insufficient determination of the structure-aspect relation which characterises the original materials that make up the artefacts; in