When John Mark Sharpe sauntered to the microphone at the Dallas Market Center last week, it was with all the awe-shucks ...

Abstract: This paper investigates the emission characteristics of silicon multi-tip field cathodes with metal-fullerene coating, formed as a rectangular strip measuring $10 \times 1 \mathrm{~mm}$. The ...

More of our expert tips for gift wrapping this Christmas! Clever new techniques to try, easy bow tutorials and festive ways to wrap all kinds of gifts! #gifting #wrapping #presents #giftideas ...