Signal articles
How do pulsars emit regular signals?
The ticking regularity that astronomers observe from pulsars is one of the cosmos' most precise natural clocks. These en...
What mechanisms underlie pain perception?
The very essence of pain, that urgent signal alerting us to danger or damage, is a profound biological process built upo...
How do transistors amplify signals?
The magic of modern electronics, from your smartphone to large broadcasting arrays, hinges on a tiny, three-legged compo...
What enables wireless communication?
The ability to send information across space without needing physical wires, whether over a short distance across a room...
What causes signal attenuation in circuits?
Signal attenuation describes the natural reduction in signal magnitude or power as it travels through a medium, whether ...
How does the eye convert light into neural signals?
The process by which the eye captures the outside world and translates it into language the brain can understand involve...