Concepts
59 concepts
The ideas the research turns on, defined in the site's own words, with every answer and method that uses them.
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TablatureNotation that says which strings or finger positions to play, not which pitches sound.
TTechnosignatureAny observable sign of technology beyond Earth.
TDThermoluminescence datingDating fired clay or burnt stone by the light it stores since it was last heated.
TPTransit photometryFinding and measuring things that pass in front of a star by the dip in its light.
TCTransposition cipherA cipher that keeps the plaintext's letters and changes their order.