Capillary casting results in superior thermoelectric generators that hold up under extreme conditions and applications. Vancouver, BC, Canada, October 1, 2025 – TheNewswire - First Tellurium Corp. (CSE: FTEL, OTC: FSTTF) reports that, further to recent comments and inquiries about the thermoelectric technology announced by First Tellurium’s subsidiary PyroDelta Energy Corp., the Company has provided additional information about the technology’s importance, value and unique position in the thermoelectric s ...