Holy Kaw!

All the topics that interest us.

Scotch tape ‘smart’ claw grabs water

Media_httpwwwfuturity_heeki

After the holiday gift wrapping is done, Scotch tape may have a new job as a shape-changing “smart material” that can collect water samples for environmental testing.

While using tape to collect pollen, doctoral student Manuel Ochoa noticed that it curled when exposed to humidity. The cellulose-acetate absorbs water, but the adhesive film repels water.

“So, when one side absorbs water it expands, the other side stays the same, causing it to curl,” says Babak Ziaie, professor of electrical and computer engineering and biomedical engineering at Purdue University.

Full story at Futurity.

More research news from top universities.

Photo credit: Manuel Ochoa/Purdue University

Posted by

1 Comment

  • janap

    I am now out of the office returning on Wednesday 28th November and will respond to your email on my return. If your query is urgent please contact a member of the PR team on 020 7831 2225. <br/> <br/>Kind regards <br/> <br/>Jana

Leave a Reply