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  2. Blackboard Learn - Wikipedia

    en.wikipedia.org/wiki/Blackboard_Learn

    Blackboard Learn (previously the Blackboard Learning Management System) is a web-based virtual learning environment and learning management system developed by Blackboard Inc. The software features course management, customizable open architecture, and scalable design that allows integration with student information systems and authentication protocols. It may be installed on local servers ...

  3. Blackboard Inc. - Wikipedia

    en.wikipedia.org/wiki/Blackboard_Inc.

    Blackboard LLC. was founded on January 21, 1997 by Michael Chasen and Matthew Pittinsky and began as a consulting firm contracting to the non-profit IMS Global Learning Consortium to develop a prototype for online learning and thinking through online learning standardization. [14] Chasen and Pittinsky started Blackboard after leaving KPMG Consulting where they both had worked as part of the ...

  4. 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 Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.

  5. What Are Blue-Light-Blocking Glasses? - Healthline

    www.healthline.com/health/what-are-blue-light...

    The researchers found that those who wore the blue light glasses for a 2-hour computer task experienced less eyestrain, eye itching, and eye pain compared to those who did not. But other ...

  6. Brown vs. White Eggs — Is There a Difference? - Healthline

    www.healthline.com/nutrition/white-vs-brown-eggs

    Eggs come in many colors, depending on the breed of chicken. However, there’s no nutritional difference between brown and white eggs. In the end, the only real difference is shell color and ...

  7. Shades of blue - Wikipedia

    en.wikipedia.org/wiki/Shades_of_blue

    The color defined as blue in the RGB color model, X11 blue, is the brightest possible blue that can be reproduced on a computer screen, and is the color named blue in X11. It is one of the three primary colors used in the RGB color space, along with red and green. The three additive primaries in the RGB color system are the three colors of light chosen such as to provide the maximum gamut of ...

  8. What’s the Difference Between UVA and UVB Rays? - Healthline

    www.healthline.com/health/skin/uva-vs-uvb

    UV exposure is highest between 10 a.m. and 4 p.m. During this daily window, the sun’s rays have less atmosphere to travel through, which means it does not block as many UV rays.

  9. Full-Spectrum vs. Broad-Spectrum CBD Explained - Healthline

    www.healthline.com/health/full-spectrum-vs-broad...

    You’ll find CBD products in three forms: full-spectrum, broad-spectrum, and CBD isolate. Full-spectrum CBD: Full-spectrum CBD contains several components of the cannabis plant, including trace ...