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2. Blackboard - Wikipedia

   en.wikipedia.org/wiki/Blackboard

   Uses. Reusable writing surface on which text or drawings are made. A blackboard or a chalkboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for this purpose, as chalk. Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.

3. 9 free things to do in the Twin Cities this week - AOL

   www.aol.com/9-free-things-twin-cities-100000586.html

   1. Train DaysAll aboard for a weekend of railroad-themed fun. The celebration of all things locomotive includes a kids' activity area, bounce house, chalk drawing and model trains. Also a rail ...

4. Do Not Erase: Mathematicians and Their Chalkboards

   en.wikipedia.org/wiki/Do_Not_Erase:...

   Some other photographs show chalk drawings that were deliberately created to be photographed for this book. The mathematicians themselves are not depicted. [1] Many of their comments relate to their tactile pleasure in using chalk, to the semi-permanence of partially-legible erasures from chalkboards, and to the pacing the use of chalk imparts ...

5. Chalkboard scraping - Wikipedia

   en.wikipedia.org/wiki/Chalkboard_scraping

   Chalkboard scraping. Scraping a chalkboard (also known as a blackboard) with one's fingernails produces a sound and feeling which most people find extremely irritating. The basis of the innate reaction to the sound has been studied in the field of psychoacoustics (the branch of psychology concerned with the perception of sound and its ...

6. Caitlin Clark does more than score in first WNBA win as ... - AOL

   www.aol.com/caitlin-clark-does-more-score...

   Caitlin Clark didn't have an outstanding shooting night against the Los Angeles Sparks, but her other skills helped the Indiana Fever get the win.

7. Play Pool Lucky Break 8 Ball Online for Free - AOL.com

   www.aol.com/games/play/masque-publishing/pool...

   Pool: Lucky Break 8 Ball. At Lucky Break Pool, play free online pool hall 8-ball with your friends! Chalk up your favorite pool cue, customize the billiards table, and chat with other players. You ...

8. Einstein's Blackboard - Wikipedia

   en.wikipedia.org/wiki/Einstein's_blackboard

   Einstein's Blackboard is a blackboard [1] which physicist Albert Einstein (1879–1955) used on 16 May 1931 during his lectures while visiting the University of Oxford in England. [2] [3] The blackboard is in the collection of the Museum of the History of Science in Oxford. [4] [5] The equations in the blackboard are related to the cosmological ...

9. Free Online Board Games - No Downloads - AOL Games

   www.aol.com/games/board

   Nothing to download, play free board games right now! Browse and play any of the free online board games for free against the AI or against your friends. Enjoy classic board games such as Chess ...