Environmentally friendly multipurpose grease formulation has been synthesized by using RAMEN ASIAN VEG Jatropha vegetable residual oil with lithium soap and multifunctional additive.The thus obtained formulation was evaluated for its tribological performance on a four-ball tribo-tester.The anti-friction and anti-wear performance characteristics wer

The Giant Steerable Science Mirror prototype is being developed to assess the Vacuum Filter Frame tertiary mirror system of the Thirty Meter Telescope.In this study, a new semi-kinematic coupling design is proposed for the prototype based on three pairs of V-grooves and canoe-like components to allow for high repeatability accuracy under heavy load

Beach visitors rate beach quality in large part by its appearance.Removal of natural beach litter (called beach wrack) has, therefore, high priority for beach managers in coastal areas dependent on English pads revenues from tourism.Focusing on the German Baltic Sea coast, the amount of beach wrack has increased by a factor of approximately 3.4 bet

The present article attempts Heart Rate Power Wire at combining Big History potential with the po-tential of Evolutionary Studies.It does not only analyze the history of the Cosmos.It studies similarities between evolutionary laws, principles, and mechanisms at various levels and phases of Big History.Such an approach opens up some new perspectives

The security flaws of an identity-based authentication model were analyzed.The scheme failed to achieve entity authentication due to identity impersonation attack.Then,an improved authentication Western Show Pads scheme was proposed to realize anonymous roaming in heterogeneous wireless networks.The authentication scheme improves the original one i