4 innovations to add ability to change colour automatically that are simple feedback - MoreInspiration

4 innovations

Property: simple feedback × Function: add ability to change colour automatically ×

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A radiator which changes colour with the temperature

simple feedback

Colour changing radiator

These contact lenses change colour as blood sugar levels rise or fall

simple feedback

Sugar-sensing contact lens

The inside of the cup is treated so that stains will appear. The more tea you drink, the more the pattern is revealed

simple feedback

Stain teacups

This bolt has a simple indicator inside the head that changes colour when it is tightened

simple feedback

Bolts with colour indicator

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