3.5 Flashcards
1
Q
Smart (self healing) paint
A
A coating that heals its own scratches when exposed to sunlight
2
Q
Self healing paint example
A
Ranging from electronics to aircrafts and cars
3
Q
Superconductors
A
Substances where resistance becomes almost zero at low temperatures,which reduces energy losses
4
Q
Superconductors examples
A
Powerful electromagnets used in MRI scanners
•magnetic levitation (maglev trains)
5
Q
Smart materials
A
Substances that are able to change their properties in response to their environment
6
Q
Smart materials examples
4
A
Dental braces
Spectacle frames
Shrink wrap packaging
Wound dressings
7
Q
Chronic materials (thermochromic,photochromic)
A
Materials that change their colour according to changes in temperature and light intensity
8
Q
Examples of chromic materials
6
A
Spectacle lenses Windows Rear-view mirrors Light detectors Optical switches Light intensity meters
