| The_Structure_of_Space-Time_Transformations This theorem by H. J. Borchers and G. C. Hegerfeldt proves that the constancy of light velocity alone implies the Lorentz group (up to dilatations). |
| The_Element_Uranium Basic and advanced technical details and history concerning uranium. |
| LANL__Krypton History, sources, isotopes, and uses. |
| The_Pennsylvania_Geographer_Journal Journal of the Pennsylvania Geographic Society. |
| Laboratory_of_Gene_Therapy_Research Focusing on C/EBPa in growth arrest, differentiation and cancer, and nonsense-mediated mRNA decay in development, RNA traffic and disease, at Copenhagen University Hospital, Denmark. |
| DNA_Software Company selling software intended for molecular biology. |
| Comets News, estimating brightness, photography, reporting discoveries, and articles. |
| YAWTB_-_Yet_Another_Wavelet_Toolbox GPL-released matlab toolbox implementing time-frequency and time-scale transformations like continuous/discrete wavelet transforms. |
| Do_Black_Holes_Exist? Brief text by Pablo G. Ostrov about the evidence for the existence of black holes, aimed at a general audience. |
| Institute_of_Piezomechanics Ultrasonic actuator and motor research in Kaunas, Lithuania from 1970. Multi degree of freedom motors for robotics. |
| Cycad_Identification Features a key distinguishing families and genera, and each family and genus has its separate home page. Each genus page has links for all accepted species in that genus and keys to identify them. |
| World_Scientific_Press Mathematics section. Catalogues in PDF. Online ordering. |
| The_Titan_Group Consultants based in Carrollton, Texas, USA who offer dispersion modeling services for: air toxic evaluations and risk assessments; demonstrating compliance with air quality standards; evaluation of a |
| Mathsong_Fractal_Journal Featuring galleries by Susan Chambless and Gilles Nadeau. |
| NLP_Anchor_Point Anchor Point Book and tape store covering NLP and related topics; Trainings in Neuro-Linguistic Programming, also hypnosis, shamanism, health and related topics. |
| School_of_Chemistry_and_Physics,_Keele_University News, staff, research, information for applicants and undergraduates. |
| Talatí Virtual visit to the prehistoric village of Talatí de Dalt, Minorca,. In English, Spanish, Catalan, French, Deutsch and Italiano. |
| Murray_and_Simon\'s_Prospectors\'_Homepage Educational site dedicated to current mineral exploration in the Cobalt Mining Camp. Geological, historical and area property information featured with rock pics and graphics. |
| Pradip_K_Singh Features professional memberships, CV, publications and contacts. Ranchi University, Ranchi, India. |
| Keeping_Mars_Warm_with_New_Super_Greenhouse_Gases A recent technical paper from the Feb. 27, 2001 issue of the Proceedings of the National Academy of Sciences. |