📚 Reference
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Listings (102)
arXiv is a free distribution service and open-access archive for scholarly articles in physics, mathematics, computer science, and other fields, hosting over two million preprint papers.
Research PapersSSRN is a leading repository for preprints and early-stage research papers in social sciences, economics, law, and humanities, facilitating rapid dissemination of scholarly work.
Research Papers
Science.gov is a gateway to U.S. government science, providing access to research and development results from federal agencies including NASA, NIH, USDA, and the Department of Energy.
ScienceWolfram MathWorld is the web's most extensive mathematics resource, providing detailed articles on mathematical concepts, formulas, and theorems with interactive examples and visualizations.
ScienceNew Scientist is a leading science magazine and website covering the latest discoveries and breakthroughs across all scientific disciplines for a general educated audience.
Science
Google's official search help center provides comprehensive guides on advanced search operators, features, and tips for getting the most out of Google Search.
Searching the Web
DuckDuckGo is a privacy-focused search engine that does not track users or store personal information, offering clean search results with built-in privacy protection features.
Searching the Web
The Internet Archive's Wayback Machine is a digital archive of the web, preserving billions of web pages dating back to 1996, enabling access to historical versions of websites.
Searching the WebANSI is the official U.S. representative to ISO and oversees the development of American national standards across industries from information technology to construction and energy.
StandardsThe W3C is the international standards organization for the World Wide Web, developing open standards for HTML, CSS, accessibility, and other web technologies used globally.
StandardsThe U.S. Census Bureau is the primary source of quality data about the nation's people and economy, offering demographic and economic statistics through its comprehensive online data tools.
Statistics
Statista is a leading statistics portal aggregating data from over 22,500 sources, covering market research, industry trends, and social statistics across virtually every sector worldwide.
StatisticsOur World in Data is a scientific online publication presenting research and data on the world's largest problems, offering interactive charts and visualizations on global statistics and trends.
StatisticsKhan Academy is a nonprofit educational platform offering free, world-class education in math, science, history, and more for students of all ages through interactive exercises and video lessons.
Student ResourcesPurdue's Online Writing Lab (OWL) is one of the most widely used writing resources in academia, providing free guidance on research writing, citation formats, and grammar for students.
Student ResourcesSparkNotes is a leading study guide resource offering summaries, analysis, and explanations of literature, history, math, and science for students preparing for exams and coursework.
Student ResourcesTimeandDate.com is a comprehensive time reference website offering world clocks, time zone converters, calendars, countdown timers, and information on astronomical events worldwide.
Time
World Time Server provides current local times and dates for cities around the world, along with time zone information, DST schedules, and international time conversion tools.
Time
NIST's Time and Frequency Division maintains the official U.S. time standard, providing information on atomic time, UTC, and the science of precise timekeeping for scientists and the public.
TimeThe National Weather Service provides official U.S. weather forecasts, warnings, and climate data, offering detailed local forecasts, radar imagery, and severe weather alerts nationwide.
Weather