. . . . "the fraction of incident electromagnetic radiation that is reflected by a surface or material." . . . "Reflectance" . "reflectance of material" . . . . . "Christos Vasileiou" . "2026-01-28T12:56:55.658Z"^^ . . . . . . . . . . . "RSA" . "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz1OobdRASd9SftHrLhG905OXjv8DHndvyWzXRJ5EDFPankMSnHZPHK+g2qEeRWdonstt55CLrpTpWsVv9xRtTqPidXHbnWLBXX42iCB+EnZNoKqAVKF5GxkSR38S0uTTq3aeQJbw2kTpx6LMkspmuH95fgAI/lfqPWrxdlI98jIeHQ14UXZpiWmkkvPgC9GVgmwHiG1hB/NCA2fKCOxVodN44OfhAPtkWmPJ40IcGPSalI4HRqgLLI5PabdRk3PiG81cUngmQU1Xk6EapzkRJGenkOlGsC5L4ktEPO6LS9uBMLTMLQDtGtkrcwqg5HmeKv7Ili3vgr3LL8/GaBBOLQIDAQAB" . "s+DuG8XHDBaudrkj4A+78fpiGoVruDx5VMt04jmvHKSMtXTUNjUSl05nFAwm1kdFCysbedZtHEVrIj1jeLHdvqjDBSTeAqMWlmxQy5r5xunNj7cxSB2cwFwGL14pxApSBKyI8nF3qc9tVeqsm05JxDzYOvPubPlGgoGpVAXmux4/iRvTZ6Qzo6KUWoi+lwOn9uQPr6FfhTas0eex6CZZ+c/U/2BhGO7OC1m+fsSGsJv56cDkBfJ4W3KkAu47hyOWB4Sq4aUfJkdZjuYG/HhVqmPej7SXMNf4aTDxQAWyIJxLk4jvsL/or6a2oivex5nEzR7ypsw8nriAAJ6DCt2KAg==" . . .