B
Blackboard
About
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, better known as chalk.
In The News
Richard Feynman's blackboard at the time of his death (1988)
Hacker News2025-02-21▲ 513 pts
Teacher in Ghana has no computers so he draws Microsoft Word on the blackboard
Hacker News2018-03-01▲ 335 pts
Christ, I hate Blackboard
Hacker News2014-01-25▲ 261 pts
How we hacked Blackboard and changed our grades (2018)
Hacker News2019-09-18▲ 155 pts
At the Blackboard: Kurt Vonnegut diagrams the shapes of stories (2005)
Hacker News2019-01-07▲ 146 pts
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