Black & Decker EP1100-A Ultrasonic Pest Repeller, Black

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Brand : Black & Decker
Rate :
Price : $19.95
Post Date : Mar 24, 2011 21:36:30
Usually ships in 1-2 business days

Heavy duty chemical free ultrasonic pest repeller

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Magnetisation and Demagnetisation

!: Magnetisation and Demagnetisation

Check us out at www.tutorvista.com Magnetisation: The electrical basis for the magnetic properties of matter has been verified down to the atomic level. Because the electron electron, elementary particle carrying a unit charge of negative electricity. Ordinary electric current is the flow of electrons through a wire conductor (see electricity ). The electron is one of the basic constituents of matter. ..... Click the link for more information. has both an electric charge and a spin, it can be called a charge in motion. This charge in motion gives rise to a tiny magnetic field. In the case of many atoms, all the electrons are paired within energy levels, according to the exclusion principle exclusion principle, physical principle enunciated by Wolfgang Pauli in 1925 stating that no two electrons in an atom can occupy the same energy state simultaneously. ..... Click the link for more information. , so that the electrons in each pair have opposite (antiparallel) spins and their magnetic fields cancel. In some atoms, however, there are more electrons with spins in one direction than in the other, resulting in a net magnetic field for the atom as a whole; this situation exists in a paramagnetic substance. If such a material is placed in an external field, eg, the field created by an electromagnet, the individual atoms will tend to align their fields with the external one. The alignment will not be complete, due to the disruptive effect of thermal vibrations. Because of this ...

Magnetisation and Demagnetisation

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Getting Rid of Mice : What Scent Repels Mice?

!: Getting Rid of Mice : What Scent Repels Mice?

Mice are typically repelled by the scent of moth balls, bleach or gasoline, but using odors as repellents can create a reverse effect. Find out why mice may first approach a smell that will eventually repel them with help from an instructor and specialist in pest and wildlife control in this free video on getting rid of mice. Expert: Ed Carrow Contact: www.CritterControl.com Bio: Ed Carrow has over 20 years in nuisance wildlife control with Critter Control. Filmmaker: Christopher Rokosz

Getting Rid of Mice : What Scent Repels Mice?

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