Still a hot item after more than a century

Early 20th century poster showing the popularity of Thermos, even back then

SINCE the Age of Industrialisation in the 18th and 19th centuries, many inventions have come and gone, as they mostly address the needs of the time.

Ones that persist till today remain crucial and significant. Some like the automobile and the printing press evolve, and today we have green electric cars and 3D printing.