Normally home appliances are controlled by means of switches, sensors, etc. However, physical contact with switches may be dangerous if there is any shorting. The circuit described here requires no ...

Light affects living organisms in many different ways: for example, plants orient their growth direction towards the sun, while circadian rhythms in humans are controlled by daylight. These processes ...

B rain researchers long knew that the model for studying memory oversimplified the complex processes that the brain uses to ...