Our old algebra teacher used to say, “You have to take what you know and use it to get what you don’t know.” That saying always reminds of us sensors that convert physical quantities into ...

"By providing everyday objects with information about their environment -- for example whether a person is approaching -- by means of pressure and temperature sensors, we can create and market new ...

Most cell signals are chemical in nature. For example, prokaryotic organisms have sensors that detect nutrients ... sensory cells in the skin respond to the pressure of touch, whereas similar ...