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Technology Readiness Levels TRL

Technology Readiness Levels (TRL) provided by the European Commission:
  • TRL 0 - Idea. Unproven concept, no testing has been performed.
  • TRL 1 - Basic research. Principles postulated and observed but no experimental proof available.
  • TRL 2 - Technology formulation. Concept and application have been formulated.
  • TRL 3 - Applied research. First laboratory test completed; proof of concept.
  • TRL 4 - ...
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