Night-biting mosquitoes are strongly repelled by UV light and blue light. This is because these insects are primarily active after sunset, and will rest during the day to avoid the dehydrating effects of the sun. Are mosquitoes attracted to blue … Continue reading →

While inhaling cold air won’t damage your lungs, it can irritate your airways and cause what is referred to as bronchospasm. When this happens you can experience a burning sensation in your airways, shortness of breath, chest tightness and cough. … Continue reading →

Nest Thermostat. If your Nest Thermostat won’t turn on, the batteries could have drained or there could be a power issue. If there’s a power issue, your thermostat’s battery will drain and it will turn off Wi-Fi, the display and … Continue reading →

Hot and cold air gets in the way and bounces the light around as it travels from the star in the distance through the atmosphere and down to us on the ground. Some of that light reaches us directly and … Continue reading →

Home automation is a network of hardware, communication, and electronic interfaces that work to integrate everyday devices with one another via the Internet. Each device has sensors and is connected through WiFi, so you can manage them from your smartphone … Continue reading →

Cotton fabric. | What is pliss?? Cotton fabric with a crinkled or pleated striped texture created by applying a solution that shrinks part of the fabric, leaving it puckered. It can be found in summer shirts, sportswear and nightgowns. What … Continue reading →

A hydrostatic level sensor is a submersible pressure transmitter that has a pressure diaphragm where the inner side of the diaphragm is vented to atmospheric pressure through a vent tube in the cable and the outer side is in contact … Continue reading →

Different Types of Gas sensors Metal Oxide based gas Sensor. Optical gas Sensor. Electrochemical gas Sensor. Capacitance-based gas Sensor. Calorimetric gas Sensor. Acoustic based gas Sensor. What type of sensor is a gas sensor? Infrared point sensors measure the absorption … Continue reading →

Linear position sensors measure the distance between an object and a point of reference, as well as changes in position. They do this by converting displacement into an electrical output. What are linear position sensors used for? A Linear Position … Continue reading →

Occasionally a capacitor will help the circuit the battery is connected to. A weak battery will have high internal resistance, and maybe can’t start an electric motor because it can’t supply the high starting current. A large value capacitor connected … Continue reading →

In short, yes, staring at bright lights can damage your eyes. When the retina’s light-sensing cells become over-stimulated from looking at a bright light, they release massive amounts of signaling chemicals, injuring the back of the eye as a result. … Continue reading →

The main function of resistors in a circuit is to control the flow of current to other components. Take an LED (light) for example. If too much current flows through an LED it is destroyed. So a resistor is used … Continue reading →

This works great if your headlights aren’t too yellow/hazy. If yours are really bad I would probably opt for one of those headlight restoration kits and then to use this 3M rubbing compound afterwards to keep them looking good. Can … Continue reading →

How does it work… When the liquid level in the tank reaches the float switch, it pushes the float up. A magnet located inside of the float then causes the contacts of the internal reed switch located inside of the … Continue reading →

Yes, you can replace a halogen bulb with an LED. The only instance where this is not possible without an additional driver as in the case of MR16, MR11 and G4 spotlight bulbs. Can you replace a halogen bulb with … Continue reading →