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 ...

Reference 1] Jaroslav Fojt k VV aclav Hlavv a c. Adaptive non-linear predictor for lossless image compression. Abstract. The paper proposes the new method for lossless image compression that performs wery well and results can be compared with other methods that we are aware of. We developed further the Slessinger's idea to represent an image as residuals of a special local predictor. The pre-di...

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. ...

Imagine groping your way up the shallow steps of a cinema auditorium, full of a powerful film that will colour the rest of your weekend. Make it a film that has got your heart pumping, made you sweat or startle. For good measure, an auditorium light has just exploded, showering one row of the audience with pieces of glass. Multiply all this 10-fold, and it’s roughly how I’m feeling now. I am th...