Virtual Reality (VR) displays have been developed for years; lots of technological challenges are still remaining to improve presence and hopefully avoid oculomotor trouble, eyestrain and sickness. Although the technology is not mature enough to avoid discomfort, the market already proposes devices to a large public, especially head-mounted devices. Many questions arise: Will customers adapt to...

A common part of any website is the Frequently Asked Questions (FAQ) section, where visitors wade through a list of questions and answers regarding a certain area of knowledge. FAQs were a great improvement over the previous practice of having a dedicated employee answer every question. However, website visitors are not particularly efficient at browsing a FAQ, the equivalent of searching a fil...

Introduction: In many theoretical investigations [e.g. 1–8] the normal modes of the linearized equations of rotation are computed, yielding both the periods and the eigenspaces of three librations. Libration in longitude decouples from the other two, vertical modes. There is a fast vertical mode (polar motion) with a period very close to the average rotational period. It corresponds to tilting ...

We present a catalog of 11 multiplanet systems from Campaigns 1 and 2 of the K2 mission. We report the sizes and orbits of 26 planets split between seven two-planet systems and four three-planet systems. These planets stem from a systematic search of the K2 photometry for all dwarf stars observed by K2 in these fields. We precisely characterized the host stars with adaptive optics imaging and a...

1 , Yang Liu 1 , Yunbin Guan 2 , John M. Eiler 2 , Chi Ma 2 , George R. Rossman 2 , and Lawrence A. Taylor 3 . 1 Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA; 2 Geol. & Planet. Sci., California Institute of Technology, Pasadena, CA 91125, USA; 3 Planet. Geosci. Inst., Dept. of Earth & Planet. Sci., Univ. of Tenn., Knoxville, TN 37996, USA; (Email: Yang....

" Shortly after the celebration of the four thousandth anniversary of the opening of space, Angary J. Gustible discovered Gustible's planet. The discovery turned out to be a tragic mistake. Gustible's planet was inhabited by highly intelligent life forms. They had moderate telepathic powers. They immediately mind-read Angary J. Gustible's entire mind and life history, and embarrassed him very d...