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What are the standard units for apparent brightness?
Custody
The protective care or guardianship of someone or something, often used to describe the legal guardianship of a child.
Patentable Invention
An invention that meets specific legal criteria to be protected by a patent, preventing others from making, using, or selling the invention without permission.
New and Useful Machine
An invention that offers a novel and functional solution or improvement to a particular problem or need.
Scientific Principle
A fundamental concept or law that guides scientific work and is widely accepted as true based on evidence.
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