Several attacks against physical pin-tumbler locks require access to one or more key blanks to perform. These attacks include bumping, impressioning, rightsamplification, and teleduplication. To mitigate these attacks, many lock systems rely on restricted keyways and use blanks that are not sold to the general public, making it harder for attackers to obtain them. Often the key blank designs th...

Oddly, criminal prohibition can lead to “commoning,” when individuals, left unprotected by state and formal property rights, innovate collective systems access, use, benefit from illegalized resources. “Legalization” entails the conversion of these prohibited commons legal systems, bringing new freedoms liberties as well dispossession collectively generated assets (material, relational, otherwi...

today frakavshy methods in solving the exploitation of the reservoir, one of the issues of interest to researchers in the field of water resources management around the world, an important contribution to allocated. the field method proscribed by other methods than has been noted. in this article, the first stage selection procedure prohibited by the standard, a mechanism reply with probabilist...

T his year, on 17 June, the Geneva Protocol, an international treaty prohibiting the use of asphyxiating or poisonous gases and bacteriological methods of warfare, turned 80 years of age. It was fostered in part by a 1918 appeal in which the International Committee of the Red Cross (ICRC) described the use of poisonous gas against soldiers as a " barbarous invention which science is bringing to...

We describe a new class of scattering matrices for quantum graphs in which backscattering is prohibited. We discuss some properties of quantum graphs with these scattering matrices and explain the advantages and interest in their study. We also provide two methods to build the vertex scattering matrices needed for their construction.