Smart materials are materials that have properties that can change in response to external stimuli or environmental conditions. These stimuli can include temperature, pressure, electric or magnetic fields, humidity, and light, among others. The ability to change their properties makes smart materials particularly useful in various applications, including sensors, actuators, and other advanced technologies. Some common types of smart materials include: 1. **Shape Memory Alloys (SMAs)**: These metals can return to a predefined shape upon heating.
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