Do you know why Titanic sank?

Check out the second part!

The US Department of Commerce National Institute of Standards and Technology document link:

https://www.govinfo.gov/content/pkg/GOVPUB-C13-17a17f71ae2f9d4316c52e62d4650c9f/pdf/GOVPUB-C13-17a17f71ae2f9d4316c52e62d4650c9f.pdf