Biosensors use ion and gradients to create electrical charges that are sent through nerve cells. For example, when you touch a surface, such as a table This is the reason you can feel hot and cold, pain and pleasure, etc. Ions are the products of salts in a solution. Ion gradients are not always used in this process though. For example, many of the chemoreceptor cells use neurochemicals such as serotonin to send messages to the central nervous system. While these organic molecules are not ions, they are polar and electronegative, giving them a slight charge.
coherent light
IF you use speaker as microphone, you can use it as a transducer to convert soun energy into electrical signals
It already is in theory. If you consider what you're asking, if it is an image and not a Photograph then what it ultimately is, is a set of 1s and 0s defining bits and bytes and on and off. Therefore meaning the moment it touches the computer it is an electrical signal.
Electron tubes are used to manipulate electronic or electrical signals. They can be employed to convert AC to DC, amplify, attenuate, switch, mix, or generate audio or radio signals. Tubes have been mostly replaced by solid-state devices such as the transistor, but still have some applications in modern electronics.
Transistor or vacuum tube.
There are different types of biosensors based on different principles. However, generally they are categorized as: Optical biosensors Potentiometric biosensors Resonant Biosensors Thermal-detection Biosensors Ion-Sensitive Biosensors Electrochemical Biosensors Conductimetric Amperometric Potentiometric Calorimetric biosensors
NO
A bioelectrode is a device that interfaces biological systems with electronic circuits to measure or stimulate biological signals. It is commonly used in medical devices, biosensors, and neural engineering applications to detect or manipulate biological signals such as electrical impulses in nerves or muscles. Bioelectrodes often consist of conductive materials that are compatible with biological tissues to minimize tissue damage and improve signal quality.
coherent light
The instrument that converts electrical energy to sound or image signals in a radio or television is called a speaker for sound signals and a screen or monitor for image signals. These devices receive electrical signals and convert them into audible sound waves or visual images for the viewer.
Sound is turned into electrical signals by a device called a microphone. Microphones convert sound vibrations into electrical impulses that can then be processed or recorded by various electronic devices.
A microphone typically uses electrical energy to convert sound waves into electrical signals. The electrical signals can then be amplified and processed by audio equipment for recording or broadcasting.
The electrical signals generated by the ears are sent to the brain via the auditory nerve for interpretation. The brain processes and interprets these signals to create the perception of sound.
Microphones will convert sound waves into electrical signals. An ear (i..e human ear) will also convert sound waves into electrical signals.
Fiber-optic communication refers to the transmission of information using optical fiber. Opto-electronic repeaters are used to convert fiber optic light transmissions to electrical signals.
An antenna functions to receive electromagnetic signals from a transmitter and convert them into electrical signals for a device to process. It also transmits electrical signals from a device into electromagnetic signals to be sent to a receiver.
The retina is the part of the eye that contains cells called photoreceptors (rods and cones) that convert light images into electrical signals that are then transmitted to the brain through the optic nerve.