A spectrum of spikes allows this novel electronic skin to sense touch like we do

Using a highly-scalable approach to creating dense sensor networks, yet requiring only a pair of address lines, these researchers have taken inspiration from the human somatosensory system for a rapid-response sensitive sense of electronic touch.

Spike Spectrum Sensing Lets This Electronic Skin Feel Things Just Like We Do

Applied Sciences, Free Full-Text

Electronic skin with artificial multimodal receptors that can feel – Science Mission

State transition graphs of fungal spiking machines, where spikes

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Seeing sound, tasting color Wu Tsai Neurosciences Institute

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An intelligent dual-sensing e-skin system for pressure and temperature detection using laser-induced graphene and polydimethylsiloxane - ScienceDirect

What percentage of the light spectrum are humans able to see with their eyes? - Quora