Passion Projects:Grabbing the Tiger by the

Tail

Rebecca GallivanFinal Presentation for 3.039

May 15th, 2014

???

How does an octopus change its color?

http://tolweb.org/accessory/Cephalopod_Chromatophore?acc_id=2038

http://www.animalhi.com/thumbnails/detail/20130212/octopus%20underwater%20blue%20ringed%20octopus%20sea%20life%201920x1200%20wallpaper_www.animalhi.com_59.jpg

http://upload.wikimedia.org/wikipedia/commons/4/40/Chromatophores.jpg

What are other ways I can make a material

change colors?Physical Chemical

Magnetic

How can materials be made to change their

color?

https://spie.org/x104848.xml

http://www.utsandiego.com/news/2012/Oct/26/color-changing-magnetic-nanocrystal/

http://0.tqn.com/d/chemistry/1/0/5/a/demonstration.jpg

Coordinate Bondshttp://www.chemguide.co.uk/atoms/bonding/nh3bf3diag.GIF

http://www.chemguide.co.uk/inorganic/group2/becl2dimer.gif

http://seys-science.wikispaces.com/file/view/CRIB_blood_cells.jpg/97292436/CRIB_blood_cells.jpg

http://www.shriannapurna.in/full-images/poly-aluminum-chloride-powder-967401.jpg

Tannic Acid and Ferric Chloride

???