Abstract: A diffracting token router for executing a correctness invariant. The diffracting token router is connected to at least one producer of tokens and at least two consumers of tokens. The diffracting token router includes an array of inlet wires, an array of outlet wires, a diffracting prism connected to the array of inlet wires and the array of two outlet wires and a decision decider connected to the diffracting prism and the at least two outlet wires. The diffracting taken router has two operative modes. In its first operative mode, two or more tokens arrive at the diffracting prism in a diffracting collision manner according to the correctness invariant, and are thereafter routed to the array of output wires according to the correctness invariant.

Abstract: The invention relates to highly purified aminopeptidases derived from Streptomycetes which are heat stable. There is further provided assay for the detection and quantitative determination of Neutral Endopeptidase 24.11 and Neutral Proteinase 24.4. A specific aminopeptidase is one derived from Streptomyces griseus, which is a calcium activated metalloprotein.

Abstract: There is provided an electrochemical charge with substantially increased safety. The cell contains a metal anode which can be alloyed by lithium, the preferred metals being selected from calcium, magnesium, and alloys of these, such cell comprising an electrolyte which is an aprotic solvent in which there is dissolved a suitable lithium salt, a cathode and a cathodic current collector. The anode can be initially charged with lithium. After a certain degree of discharge, certain embodiments of cells of the invention start forming a passivating layer on the anode preventing a runaway reaction.

Abstract: A composition which combines autogenic bone marrow with a suspension of purified atelopeptide reconstituted collagen is used to repair bone defects in mammals.