Curtin University researchers have developed a new technique to make glass water-repellent, a feature that could improve safety in vehicles, reduce cleaning costs for buildings and enhance filtration ...

There are a lot of options to rid your home of rodents and insects, but only the best ultrasonic pest repellers can do it humanely, and with little effort on your part. While any plug-in pest repeller ...

If you get eaten alive by mosquitoes while working on your PC or use your laptop at night and attract all the mosquitoes in the area, then this Ultrasonic USB Mosquito Repellent Dongle might help you ...

When we hear the word “Ultrasonic” we often refer it to bats and dolphins communication. Technically, “Ultrasonic” applies to sound that is anything above the frequencies of audible sound, and ...

This ultrasonic dog repeller circuit will chase away angry dogs. It is build with the all known 555 circuit, a buzzer and a little ferrite transformator. The ultrasonic frequency must be set with a ...