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4D printing
Just like 3D printing, this is the creation of a three-dimensional shape by depositing material in successive layers according to a digital model. What sets 4D printing apart is that the resulting shape is able to morph into different forms in response to environmental stimuli such as light, temperature, voltage or humidity.
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5G
5th generation cell phone standards. It offers greater bandwidth, faster download speeds, and limits the risk of network saturation.