Trivia / Sealab 2021 S 3 E 8 ASHDTV

• Technology Marches On: The ASHDTV is in 4:3 aspect ratio. By the real 2021, 16:9 televisions had long since become the norm, with 4:3 practically an ancient relic. Furthermore, HDTV as of 2021 is gradually being succeeded by UHD television.