Activity

The Force Of The Foot Striking The Ground And The Swing Of The Leg, According To Engineers At The UC, Berkley, Are The Reasons Why Shoelaces Come Undone. These Engineers Are Of The Notion That The Shoelace Study May Throw Some Light Into Understanding Why The DNA And Other Micro-structures Fail.

Mystery of why shoelaces come undone unravelled by science – BBC News

http://www.bbc.com/news/science-environment-39573642

The authors say the research can be applied to other structures, such as DNA.