Articles on Touch

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The sense of touch is generally measured by a sensor that can translate a pressure upon it into a small electrical signal. Shutterstock

It’s not easy to give a robot a sense of touch

Our sense of touch lets us know how hard or soft something is, how solid or pliable it is to handle. That's an important skill if you want robots to handle things safely.
President Abraham Lincoln in 1865 and Vice President Joseph Biden in 2019. Library of Congress, photo Alexander Gardner; AP/Nati Harnik

Abraham Lincoln, Joe Biden and the politics of touch

The news is filled with stories about inappropriate touching by politicians. But touch by politicians was long important in the US, and Abraham Lincoln's handshake helped engage and guide the nation.
Gentle physical contact activates a special type of nerve cell linked to emotion. Jonathan McPherskesen/Flickr

Nerves of endearment: how a gentle touch affects emotions

A soft and tender caress between two people can trigger a flood of emotions, and now we may have some idea why. Research [published in Neuron](http://www.cell.com/neuron/abstract/S0896-6273(14%2900387-0…

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