An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
In recent years, evacuation models have been increasingly applied in an attempt to understand the outcome of emergency egress scenarios. This has been due to...
Takashi Kashiwagi, F Du, K Winey, Jack F. Douglas, Richard H. Harris Jr., John R. Shields
Synthetic polymer materials are rapidly replacing more traditional materials such as steel, nonferrous metals and natural polymeric materials. Because these...
Instability of steady circular Couette flow with radial heating across a vertically oriented annulus with inner cylinder rotating and outer cylinder stationary...
Crack growth behavior in soda-lime-silicate glass in the vicinity of the static fatigue limit, and observations of the crack shape obtained by atomic force...
R W. Fox, Brian R. Washburn, Nathan R. Newbury, Leo W. Hollberg
Cavity-mode wavelengths in air are determined by measuring a laser's fequency while it is locked to the mode in vacuum during a caibration step and subsequently...
Sang-Mo Koo, Qiliang Li, Monica D. Edelstein, Curt A. Richter, Eric M. Vogel
We report an approach to engineer the local band structure of silicon nanowire (SiNW) field-effect transistors (FETs) by using a dual-gated structure. In this...
W C. Davis, Steven J. Christopher, Gregory C. Turk
Homogeneous incorporation of analytes of known isotopic abundance into sol-gel derived standards that mimic important mineral systems has the potential to...