https://patft.uspto.gov/netahtml/PTO/search-bool.html Search U.S. patents from the full text and image database at the patent office. Search by patent number or date, keyword or inventor. Search all patents from 1790 through 1975.
https://www.instructables.com/teachers/ “A PROJECT FOR EVERY LESSON Instructables is committed to helping teachers inspire, engage, and prepare students through hands-on projects to make in the classroom. Always free, and always fun, come explore projects for your next classroom lesson!”
https://scholar.google.com/ Released in beta in November 2004, the Google Scholar index includes most peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other scholarly literature, including court opinions and patents.
https://www.wolframalpha.com/tour/ “Wolfram|Alpha is a unique engine for computing answers and providing knowledge. It works by using its vast store of expert-level knowledge and algorithms to automatically answer questions, do analysis and generate reports. LINGUISTIC ANALYSIS New kinds of algorithms for 1,000+ domains CURATED DATA 10+ trillion pieces of data from […]
https://en.wikipedia.org/wiki/Goodhart%27s_law Goodhart’s law is an adage named after economist Charles Goodhart, which has been phrased by Marilyn Strathern as “When a measure becomes a target, it ceases to be a good measure.” One way in which this can occur is individuals trying to anticipate the effect of a policy and […]