tag:techtv.mit.edu,:Array/233413280 2007-12-05 10:01:17 -0500 MITTechTV <p>What would you do with a gel that dramatically changes color in response to heat, water and salt? As this ScienCentral News video explains, the uses could range from color-changing clothes to monitoring food safety.<strong> - </strong>MIT engineer <a href="http://dmse.mit.edu/faculty/faculty/elt/" target="_blank">Ned Thomas</a> has some fashionable ideas for his new high-tech gel - More at <a href="http://www.sciencentral.com/articles/view.php3?article_id=218393028)" target="_blank">ScienCentral</a>. *Copyright ScienCentral, Inc (<a href="http://www.sciencentral.com">www.sciencentral.com</a>)*</p> 90 tag:techtv.mit.edu,:Array/233391420 2007-10-21 19:30:09 -0400 MIT News Office <p>In this video, MIT researchers add ammonium chloride in solution to the tunable gel, changing the gel's color. Washing the ammonium chloride away returns the gel to its original color. <a href="http://web.mit.edu/newsoffice/2007/lightgels-1021.html">Full story</a><br />Video / Youngjong Kang </p> 37