A Brief History of Time Travel.

A Brief Overview of the Specialty of Travel Medicine

Finding the nearest facility for travel and waiting time in a transport network

One of user's queries from navigation service is to find the nearest facility in terms of time. The facility that is being questioned by the user as a destination may have a queuing service system (e.g. bank), which means that the cost function of the shortest path includes the waiting time at the destination as well as the travel time. This research conducts in the zone 1 of Mashhad with Bank ...

Better Late Than Never - An Analysis of Last-Minute Travelers Attending a Specialist Travel Medicine Clinic in Ireland

Introduction: Last-minute travelers (LMTs) are a vulnerable group, because it may not be possible to adequately vaccinate them against exposure to infectious diseases. The purpose of this retrospective cross-sectional study was to describe the characteristics of LMTs attending a travel health clinic. Methods: The following data was extracted from records ...

Value of Travel Time :Theoretical and Empirical Method

The value of travel time savings (VTTS) is the monetary value attached to save a determined amount of travel time. VTTS is also the most important benefit category aimed at justifying investments in transport infrastructures by public administrations. Hence VTTS played a significant role in various economic studies, both analytical and empirical (Zamparini & Reggiani, 2007). "It is difficult to...

A Brief History of Time - Stephen Hawking

Chapter 2 Space and Time Chapter 3 The Expanding Universe Chapter 4 The Uncertainty Principle Chapter 5 Elementary Particles and the Forces of Nature Chapter 6 Black Holes Chapter 7 Black Holes Ain't So Black Chapter 8 The Origin and Fate of the Universe Chapter 9 The Arrow of Time Chapter 10 Wormholes and Time Travel Chapter 11 The Unification of Physics Chapter 12 Conclusion Glossary Acknowle...