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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 Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.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. Chalkboard art - Wikipedia

   en.wikipedia.org/wiki/Chalkboard_art

   Chalkboard art. Children's drawing on a chalkboard. Chalkboard art or chalk art is the use of chalk on a blackboard as a visual art. [1] It is similar to art using pastels and related to sidewalk art that often uses chalk. Chalkboard art is often used in restaurants, shops or walls. [2]

4. 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 ...

5. The 8 Best Online Help Resources for Depression - Healthline

   www.healthline.com/health/mental-health/online...

   Online-Therapy. cognitive behavioral therapy. $39.95, $59.95, or $79.95 per week. does not accept insurance, but you can request reimbursement or direct payment for services. Lemonaid ...

6. See what you can do for free at the Gallo Center in Modesto ...

   www.aol.com/news/see-free-gallo-center-modesto...

   The Gallo Center’s Family Fun Festival returns with a host of free events outside the venue. There also are comedy and music to be found in the Modesto region Sept. 28-Oct. 4.

7. 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 ][ 4 ] The blackboard is in the collection of the Museum of the History of Science in Oxford. [ 5 ][ 6 ] The equations in the blackboard are related to the ...