Marc-Henri Piault (1933-2020)

Ultraviolet Astronomy Beyond 2020 Marc Postman and Matt Mountain

UV astronomy has a promising long-term future if astronomers think boldly about where the next frontiers lie in this rich field. The most exciting of these frontiers involve resolving structures near or below angular scales of 20 mas and/or obtaining modest resolution spectroscopy of nanoJansky sources across the 0.11− 2.5 μm wavelength range (the optical and NIR bands provide rest-UV coverage ...

Charles-Jules-Henri Nicolle

sia. Nicolle's many accomplishments include the discovery that epidemic typhus is transmitted by body lice (Pediculus humanis corporis), discovery of the phenomenon of inap-parent infection, and possibly the first isolation of human influenza virus after experimental transmission. Nicolle made many other fundamental contributions to knowledge of infectious diseases. This year is the centenary o...

Henri De Mondeville *

Henri ’ s Crystal Ball

O n April 10, 1908, at the general session of the Fourth International Congress of Mathematicians held in Rome, Gaston Darboux presented a talk by Henri Poincaré (1854–1912) entitled The Future of Mathematics (Poincaré was unfortunately unable to deliver the talk himself). The original can be found on the web at: http://gallica. bnf.fr/ark:/12148/bpt6k17083c/f934n10. capture. It is now a full c...

Search Engines and Privacy Marc Roessler marc

This paper analyzes the impact of using search engines on the user's privacy. Several privacy related issues were found, such as search engines leaking the query string to advertising companies or sharing user identifiers with other sites. This paper will show the way this is accomplished as well as possible countermeasures to be taken by the user to preserve her privacy.