A photonic approach to realizing phase-coded microwave signal generation with large frequency tunability is proposed and demonstrated. Two coherent optical wavelengths are generated based on external ...

Prompting letters for payments not even due HMRC sending out pointless letters We are now getting letters for quarterly PAYE payers that if they were late paying past bills to make sure they pay on ...

Hexagonal boron nitride (h-BN) has received a great deal of attention as a substrate material for high-performance graphene electronics because it has an atomically smooth surface, lattice constant ...

A mild and general strategy is demonstrated for the Ru(II)-catalyzed annulation of vinyl sulfoxonium ylides with arynes, resulting in the formation of 1-naphthols. The initially generated vinyl ...