SAN FRANCISCO, April 8, 2026 /PRNewswire/ -- TeraWatt Technology Inc. (Headquartered in California, USA) is pleased to announce the completion of the final close of its Series C funding round.

It's time once again for a final look back at the technology that said farewell in 2025. From stalwarts like Skype to AI devices that never had a chance, everything on this list made its way to the ...