15 June News

NCBI News, June 2009

A sensor detects certain types of search terms and provides access to potentially more relevant results. For PubMed, new sensors include a Citation Sensor that is activated when someone searches with a literature citation and an Accession Sensor that provides a direct link to the sequence databases when someone searches with an NCBI sequence identifier. A variable type of sensor, the Hot Topic...

TCAD News, June 2007

Welcome to the latest issue of TCAD News. Over the years, TCAD has proven to be an enabling methodology for reducing technology development costs and time. The use of TCAD, however, extends beyond nanoscale silicon CMOS devices. In this issue, I am delighted to present articles showing the wide application of TCAD tools for modeling and analyzing physical phenomena and effects beyond nanoscale ...

NAS News - May-June 1997

Fullerene-based Nanoelectronic Devices Show `Tremendous Potential' Researchers at the NAS Facility are examining the role of the fullerene structure -a form of carbon -in creating electronic devices for the next century. In this article, scientists Jie Han and Subhash Saini give a bird's-eye view of the transition from conventional CMOS-based semiconductor devices to quantum devices, and discus...

Cover vol. 15, no. 3, June 2018

Steiner Tree Approximation - June 15

In this lecture we will summarize our recent work on Steiner tree approximation together with J. Byrka, T. Rothvoß and L. Sanità. Part of the results appeared in “An Improved LP-based Approximation for Steiner Tree” (STOC’10), and some other results are contained in the journal version of the paper, currently under revision. We will not be very formal, and we will abuse notation. We apologize f...