Surface wave
http://en.wikipedia.org/wiki/Copolymer
http://en.wikipedia.org/wiki/Magnetism
x
Medium
Dielectric substrate
http://en.wikipedia.org/wiki/Photoelectric_effect
http://en.wikipedia.org/wiki/Rho-associated_protein_kinase
http://en.wikipedia.org/wiki/Proton_conductor
http://en.wikipedia.org/wiki/Catheter
http://en.wikipedia.org/wiki/Wave_power
http://en.wikipedia.org/wiki/Braille
Plant growth
http://en.wikipedia.org/wiki/Yeast
http://en.wikipedia.org/wiki/Lipid
http://en.wikipedia.org/wiki/Magnetoresistive_random-access_memory
Muscle contractions
Allergy suppressant
http://en.wikipedia.org/wiki/White_blood_cell
Antenna