Tags » Coulomb

Justick (TM) Electro Adhesive Display Products, now available in the UK. (Uses electrostatic attraction)

*No pins * No glue * No magnets * Just science!

To compliment our range of both Magnetic and None-Magnetic whiteboards and display boards, we’re very proud that we are now able to¬†launch a range of Justick (TM) Electro-Adhesive Display products to the UK market. 197 more words

Product News

Coulomb Explosion

Typically, an explosive reaction occurs when an alkali metal like sodium or potassium is added to water as a result of heat release, steam formation, and ignition of the hydrogen gas that forms. 128 more words



Coulomb’s law talks about the conditions an electron faces as it leaves an atom, and it has three main points. 1. Coulomb’s law states that protons have a positive charge and electrons have a negative charge. 306 more words

Amp it up, Andre!

Typical day in a classroom in Southern Adelaide a few years ago, when I was still teaching Science:

~”How many electrons are needed to make a cup of tea?” 603 more words

Serious Stuff

Inverse Square Attraction

Imagine two point-like particles experiencing mutual attraction.

The masses of the two particles are and , and their respective positions are and .

Suppose the force on particle 1 due to particle 2 is… 750 more words

Post By Paddy

The Coulomb and the Ohm-metre

With apologies to Lewis Carroll. This refers to various SI units.

The ohm was shining on the sea,

Shining with all its might.

He did his very best to make… 486 more words

The Ampere and the Coulomb

The ampere is a measure of electric current, one of the seven base SI units. From the ampere, the coulomb, the volt, the ohm, the farad and a lot of others are defined. 216 more words