... The choice of which type of electricity is called "positive" and which "negative" was made around 1750 by Ben Franklin, early American scientist and man of many talents (the stamp on the left commemorates his role as first US postmaster--and colonial postmaster before that). ... Franklin knew of two types of electric charge, depending on the material one rubbed. ... Later, when electric batteries were discovered, scientists naturally assigned the direction of the flow of current to be from (+) to (-...

The choice of which type of electricity is called "positive" and which "negative" was made around 1750 by Ben Franklin, early American scientist and man of many talents. Franklin studied static electricity, produced by rubbing glass, amber, sulfur etc. with fur or dry cloth. ... Later, when electric batteries were discovered, scientists naturally assigned the direction of the flow of current to be from (+) to (-). ... Exploration" home page (index) Glossary . Official GSFC Home Page .. ...

Подписка на рассылку обзоров astro-ph на Subscribe.Ru . ... Предыдущий выпуск (N335) . ... Обсудить на форуме Scientific.RU . ... Подписка на рассылку обзоров на Subscribe.Ru . Обзоры препринтов astro-ph . ... Собственно обзоры препринтов. ... Ранее обзоры также были на Астронете и на Scientific.Ru . ... АНКи доступны на Астронете , а с 2006 по 2008 г. также на сайте Элементы.Ру . ... Ранее они также размещались на сайте Астронет и в архиве моих обозрений (кодировка KOI8) на сайте Scientific.Ru . ...

... Astrophysics Group . ... COAST . COAST Current Status . ... COAST File Archive . ... Fringes and Power Spectra from COAST . ... The first stellar fringes were obtained in June 1991. ... We obtained sufficient data to reconstruct the first infrared image from an aperture synthesis array. ... The North telescope of the COAST array was moved to a new foundation, further to the North, making the longest baseline 67 metres. ... A fifth telescope was sited on the Southwest arm of the COAST array. ...

... But most importantly, please allow convective surface currents to carry your visits away from the redzones ! Link to Past calendar of hotspot areas. ... CDFIR 1st ep. 2 solid days . ... 03.223+/-1day . 03.227 +/- 1day . 9822 . ... COSMOS 1st epoch . CDFIR 1st ep. ... 03.231+/- 1day . 03.234+/-1day . ... 03.237+/-1day . 03.241+/-1day . ... 03.244+/-1day . 03.248+/1day . ... 03.251+/-1day . 03.255+/-1day . ... UDF Epoch 1 . ... COSMOS 2nd epoch . ... 02.339+/-1day . ...

... Data Analysis SAS News What is SAS? ... Back to Calibration Homepage In order to analyze the data collected with XMM-Newton you need some calibration files (Current Calibration File, see below) and a copy of the Science Analysis System (SAS) available here . ... Mirroring the Calibration Archive . ... CCF$ or use instead: package=xmm-ccf comment="The XMM-Newton calibration archive" site=xmm.esac.esa.int mode_copy=true max_delete_files=100% remote_dir=pub/ccf/constituents local_dir=/ccf get_patt=^*.\...

Following are instructions to build and install the programs in this distribution. Make sure that you have all necessary tools for building executables. ... The automatic build process expects a configuration file called Config.local . ... The configuration file specifies the directory in which to install the binaries, as well as control over the generation of debugging code and reference clock support. ... Cleans out object files, programs and temporary files. make distclean . ...

... 1 polarization, 3-level autocorrelation: 16384 spectral channels . 2 polarizations, 3-level autocorrelation: 8192 spectral channels . 1 polarization, 9-level autocorrelation: 4096 spectral channels . 2 polarizations, 9-level autocorrelation: 2048 spectral channels . ... Full Stokes, 9-level autocorrelation: 2048 spectral channels . ... 1 polarization, 3-level autocorrelation: 8192 spectral channels . ... 1 polarization, 9-level autocorrelation: 2048 spectral channels . ...

... The Phase 2 Waiver Request procedure is the channel to handle such requests. ... Waiver requests are handled from PROP, enabling easy(er) back-up in case of absence of the support astronomer to whom the run is assigned. ... The following file lists the standard waivers providing guidelines whether the specific waiver request is handled directly by USD support astronomer or it requires input from Paranal: . ... USD support astronomer sends the final decision on the waiver to the user who requested it...

Current is an open-source implementation of an up2date server, aka RedHat Network. The patched release 1.4.4.a is capable enough to support of an all channels for Fedora Core 1 2, AMDx86_64 et.a. Distributed free by GNU GPL . RPM 1.4.4.a package . SRPM 1.4.4.a source package . Public GPG-key , signed package builds.

... PmWiki . ... Go to new wiki . ... The (:if:) directive allows portions of a page to be included or excluded from processing. ... if name PAGENAME:) . current page is named " PAGENAME " . ... if auth LEVEL PAGENAME:) . ... if true:) . ... true if current date is DATE . ... true if current date is DATE or later (unlimited) . ... true if current date is in range DATE1 to DATE2 (inclusive) . ... true if the page pagename exists . ... current page is in group PmWiki or a group beginning with Pmwiki . ...