| The_Van_de_Graaff_Generator_Website This site includes information on how Van de Graaff Generators work, typical classroom demonstrations, and instructions for building one. |
| VRML_Gallery_of_Electromagnetism Visualization of the electromagnetic field. |
| Wireless_Lab_at_Nizhny_Novgorod_University Laboratory of Physical Fundamentals and Technologies of Wireless networks at Nizhny Novgorod State University, Russia. |
| Wondermagnet_com Images of magnets and their uses, experiments, a discussion board about magnet-related topics, and an elementary primer on magnetism and magnetic physics. |
| X-ray_Optics_and_Microscopy_at_Stony_Brook Research describing use of coherent soft X-rays for optics experiments, including Fresnel zone plates, to produce the smallest focused spot of electromagnetic waves for studies of biological and mater |
| NSSDC__Venus From NASA's photo gallery. |
| Planet_Venus_-_overview_and_pictures Illustrated guide to Venus. Contains description, facts, statistics and a brief history. |
| Venus From The Nine Planets. |
| Venus NASA's Windows to the Universe. |
| Venus Details on this planet. |
| Venus From "Views of the Solar System". |
| Venus Facts, early knowledge and history of man's exploration of Venus. |
| Venus_Basic_Information Summary articles and related links. |
| Venus__Earth\'s_troubled_sister Although it looks a lot like Earth, it's actually dramatically different. |
| Welcome_to_the_Planets__Venus Planetary profile and vital statistics, some pictures. |
| ACalendar_com The calendar has many options with a standard monthly interface, including sunrise, sunset, and Moon phases. |
| Annus_Novus_Decimal_Calendar A proposal for a non-sectarian, culturally neutral calendar system. |
| Astro_Portal_-_CalSKY The worldwide interactive online astronomical/space calendar and calculator - for friends of astronomy, as well as astronomers. |
| Astronomical_Time_Keeping Extensive descriptions of many astronomical time keeping systems, with information on time zones and Julian day numbers. |
| Astronomy_by_JavaScript__Sun_Calculators_and_More Applets related to calendars and keeping time, including sidererial time. |
| Astronomy_Calendar Features different views of the night sky, constellations, stars, planets, and other celestial wonders. |
| Blue_Moon_Myths Second full moon in a month, or third full moon in a single season? |
| Britannica_com_-_Clockworks__From_Sundials_to_the_Atomic_Second Britannica.com explores the history of timekeeping, from sundials to cesium atomic clocks. |
| The_Calendar,_Leap_Years_and_the_Year_2000 An explanation of the calendar including the origin of the day, week, month and year. |
| Calendar_Studies Articles on the Gregorian and Julian calendars, the ISO date format, the Julian day number system, the Maya calendar, the Goddess lunar calendar, the Liberalia Triday Calendar and C functions for date |
| Calendars_through_the_Ages History and FAQs of calendars, from ancient Rome to outer space. Including Julian, Gregorian, Jewish, Islamic, Chinese, and Mayan. |
| Calendopaedia The Encyclopaedia of Calendars. |
| Calendrical_Calculations Published by Cambridge University Press. Gives a unified algorithmic presentation of the Gregorian, ISO, Julian, Coptic, Ethiopic, and Islamic civil calendars. |
| The_Chinese_Calendar The mathematics of the Chinese calendar. Explains the rules for the Chinese calendar. |
| The_Difference_Between_the_Millennium_and_Year_2000 Questions and answers to satisfy the hearts of true millennium buffs. |
| Greenwich_Time__Home_of_World_Time_(GMT)_since_1884 Complete guide to times in every time zone in the world. |
| Hindu_Calendar_Dates_52nd_Century Explains the cosmological and astronomical influences in creating the Indian calendar. |
| Indian_Moons A list of many American Indian tribe's names for months, days, and other calendar related information. |
| The_Islamic_Calendar The mathematics of the Islamic calendar in Singapore. |
| The_Julian_and_Gregorian_Calendars Explanations of the Julian Calendar, the Gregorian Reform, the adoption of the Gregorian Calendar, the length of the tropical year and related matters. |
| Julian_Day_Numbers An explanation of the Julian day number system used by astronomers and calendricists. |
| Leap_Seconds Civil time is occasionally adjusted by one second increments called leap seconds. A detailed explanation of what a second actually is, and why leap seconds are necessary. |
| LunarCal_-_A_Perpetual_Chinese_Lunar_Calendar LunarCal is a 160-year perpetual Chinese Lunar Calendar for 1900 to 2060. Chinese festivals are listed and the moon phase is displayed. |
| Lunisolar_Calendar Lunar calendar with lunations, from new moon to new moon, instead of months. Moon phase on each day. Chinese, Jewish, and Islamic months. Eclipses, meteors, planets, star charts. Christian, Pagan, Isl |
| Maya_Calendar_2000 The calendar was the center of Maya life and their greatest cultural achievement. To carry out their astronomical calculations they developed a sophisticated mathematical system. The Maya Calendar web |
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