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good stuff. Thanks.
Glad you enjoyed it
Dennis F'n Foley. Nobody does it better with just a black board, chalk, and physics. My hero!
@@Evidenceandcompassion The blackboard is much easier to light. We have tried white boards but they are light reflective.
good stuff. Thanks.
Glad you enjoyed it
Dennis F'n Foley. Nobody does it better with just a black board, chalk, and physics. My hero!
@@Evidenceandcompassion The blackboard is much easier to light. We have tried white boards but they are light reflective.