Cut-Through switching techniques, and Application Spec@ic Integrated Circuit (ASIC)-based wire-speed routing both attempt to improve network pe~ormance whenever possible. While switching advocates prefer the, “Route once, switch thereafter” approach, ASIC-based routing vendors believe the “Route wherever you wish” approach is the prevailing long-term solution. Both attempt to eliminate the cost...

Also there is some concern about efficacy of rifampicin as single drug prophylaxis in contacts where the source is proved to be excreting INH resistant bacilli. A case of probable rifampicin failure in such situation is described(3) and hence recommendation for chemophophylaxis of confirmed INH resistance vary from rimampicin alone or rifampicin with ethambutol; both regimens for 9 months(4). I...

It has long been known that Newtonian dynamics applied to the visible matter in galaxies and clusters does not correctly describe the dynamics of those systems. While this is generally taken as evidence for dark matter it is in principle possible that instead Newtonian dynamics (and with it General Relativity) breaks down in these systems. Indeed there have been a number of proposals as to how ...

Internet search has become a routine computing activity, with regular visits to a search engine—usually Google—the norm for most of us. The vast majority of searchers, as recent studies of Internet search behavior reveal, search only in the most basic of ways and fail to avail themselves of options that could easily and effortlessly improve search quality. Despite a wealth of literature on how ...

At first sight, Java’s position as the de-facto standard for portable software distributed across the Internet seems virtually unassailable. Interestingly enough, however, it is surprisingly simple to provide alternatives to the Java platform, using the plug-in mechanism supported by the major commercial World Wide Web browsers. We are currently developing a comprehensive infrastructure for mob...

Surrounding the earth at a height of about 25 kilometers is the stratosphere, rich in ozone, which prevents the sun’s harmful ultraviolet (UV-B) rays from reaching the earth. UV-B rays have an adverse effect on all living organisms, including marine life, crops, animals and birds, and humans. In humans, UV-B is known to affect the immune system; to cause skin cancer, eye damage, and cataracts; ...

[1] Studies attempting to constrain climate sensitivity, or equilibrium surface warming in response to a doubling of atmospheric carbon dioxide, by comparing models with observations report a wide range of distributions, particularly regarding the upper bound. There is, by contrast, a considerable consensus surrounding the transient climate response, in large part because it is directly related...

Scalar implicatures depend on alternatives in order to avoid the symmetry problem. I argue for a structure-sensitive characterization of these alternatives: the alternatives for a structure are all those structures that are at most as complex as the original one. There have been claims in the literature that complexity is irrelevant for implicatures and that the relevant condition is the semant...