Despite the lack of evidence, ultrasonic pest repellers on the market still claim to be an effective pest control method. Here’s everything you need to know about these devices. Ultrasonic pest ...

If you have pets or small children around, or otherwise are concerned for your own chemical exposure, you may be interested in purchasing an ultrasonic pest control device. Whether you want to repel ...

They're electronic devices meant to repel many forms of pests with full 360-degree coverage. While this sounds like ...

There are three main pest control methods to choose from when you encounter a pest problem — physical, biological and chemical. Depending on the type of pest, their locations and your goals ...

REQUIRED TEXTS: S.M. Sze, Physics of Semiconductor Devices , Wiley, 2nd edition, 1981. COURSE GOALS: The course is designed to teach the physics behind electronic device operations and also prepare ...

Carrier statistics and transport. Diodes, bipolar and field-effect transistors. Integrated circuits. Heterojunction devices. COURSE GOALS: The course is an introduction to semiconductor fundamentals ...

With increasing public awareness of the negative effects of insecticides on public health, beneficial organisms and the environment, and the growing demand for sustainable and environmentally-friendly ...

But professional pest control is convenient, too: with someone else handling the logistics of the extermination, you won’t have to worry about having the right equipment, using products ...

Electronic devices are components for controlling the flow of electrical currents for the purpose of information processing and system control. Prominent examples include transistors and diodes.