Elmo’s Mysterious Birthday Explained by Physicists

Elmo celebrated his birthday earlier this month .

The beloved children’s entertainer made his first appearance on Sesame Street in 1980 .

Every year , on February 3rd , he turns three and a half again.

Scientists offer some possible explanations for Elmo 's age.

Sesame Street's Elmo counts his birthday in monster years .

Steven Harrellson's theory of 'Monster Time' is based on gravitational time dilation theory.

The Sesame Workshop has not responded to questions about black holes or time travel.

The theory could have implications for technology and industry if scientists could harness the understanding.