PhotonicsViewsVolume 18, Issue 2 p. 1-1 EditorialFree Access So Much Achieved – Yet to Do A wide range of products and services have received attention by the public but we still a long way go Lutz Aschke, Aschke Managing Director, MahrSearch for more papers this author First published: 14 April 2021 https://doi.org/10.1002/phvs.202170201AboutPDF ToolsExport citationAdd favoritesTrack citation ...

The papermaking properties of 22 pure and hybrid poplars are being evaluated in an on-going investigation. Twenty of the poplars were harvested after 7.5 years from three different sites in the Midwestern and North Central US. The other 2 poplars survived at only two of three sites (64 total samples). The Crandon hybrid had the highest growth rate (t ha 1 y ) and wood density (both averaged acr...

Detecting impairment from cannabis is not as straightforward as detecting alcohol because of the complex nature of the drug and lack of conclusive research about the dose–effect of cannabis. The widely used breathalyzer test can accurately detect alcohol impairment using a breath sample because the amount of alcohol in exhaled air closely relates to the amount of alcohol in the blood, says Dr. ...