Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Miscellaneous

What is the coldest man made thing?


There is no one constant coldest thing on Earth, but a copper cube nearly reached coldest temperature possible. A chunk of copper became the coldest cubic meter (35.3 cubic feet) on Earth when researchers chilled it to 6 millikelvins, or six-thousandths of a degree above absolute zero (0 Kelvin).

{{ relativeTimeResolver(1649906266974) }}

LIVE
Points points 2
Rating

Similar Questions
Sign in to view all similar questions
Miscellaneous 1 Answer

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE