Abstract: Lithium Niobate is a ferroelectric material with interesting physical properties. In particular, Periodically Poled Lithium Niobate (PPLN) crystals have been used in diverse applications, ...

There are reports that Arsenal FC will include a sell-on clause in the deal that sends young player Dan Casey to Crystal Palace. This means if Palace later sells Casey to another club, Arsenal could ...

Howat's first-half effort proved to be the winner, a moment she described as a mixture of instinct and good fortune. The decisive goal came from a deflected shot, and Howat's quick thinking was the ...

Fluctuations in weight from year to year may heighten the risk of accelerated cognitive deterioration, new research suggests. This potential danger is especially concerning for those over 65 whose ...

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I always begin my annual column in which I ask readers to play along with me and predict the events of the coming Jewish year by reminding them that, as bad as things seem to be now, they can still ...