http://en.wikipedia.org/wiki/Radioactive_decay
http://en.wikipedia.org/wiki/Actuator
Producing rice crops that are resistant to the cold weather
http://en.wikipedia.org/wiki/Diatom
Visually impaired walking assistance
http://en.wikipedia.org/wiki/Electrolysis
http://en.wikipedia.org/wiki/Leachate
http://en.wikipedia.org/wiki/Electrode
http://en.wikipedia.org/wiki/Biosensor
http://en.wikipedia.org/wiki/Cytoplasm
http://en.wikipedia.org/wiki/Tumor_marker
http://en.wikipedia.org/wiki/Ultrasonic_probe
Material Characteristics
http://en.wikipedia.org/wiki/Chinese_medicine
http://en.wikipedia.org/wiki/Membrane
http://en.wikipedia.org/wiki/Damage
http://en.wikipedia.org/wiki/Medicine
http://en.wikipedia.org/wiki/Sleep_apnea
http://en.wikipedia.org/wiki/Magnetic_field
http://en.wikipedia.org/wiki/Acoustic