# Popular articles about science

09/20/2016

## How to check your typing speed

In recent years, increasingly we have to see ads that are needed for office or bank employees with a certain typing speed.

Do you think that it is worthy to take this position, but I doubt if you have enough print speed?

Check it out.

Obviously, you are constantly typing text and managing to respond to several forums at the same time, simply did not consider how many characters per second you can give without errors.

(Further…)
09/13/2016

## How to measure resistance

To configure the electronic devices, and matching circuits must be aware of the resistance elements.

Sometimes it also becomes necessary to check the individual radio components (resistors, diodes, transformers of different function) resistance.

(Further…)
09/13/2016

## How to measure resistance

To configure the electronic devices, and matching circuits must be aware of the resistance elements.

Sometimes it also becomes necessary to check the individual radio components (resistors, diodes, transformers of different function) resistance.

(Further…)
09/06/2016

## How to measure current

The current in the circuit is its main parameter. It determines the efficiency of the device.

It must be measured in order to understand in what mode the one or the other element of the electrical circuit.

(Further…)
08/28/2016

## How do couples

Par saw everything. It turns out, if we put, for example, plate makers and bring it to a boil.

The water will evaporate and gurgling out of the kettle through the spout or even cover. But how to operate a variety of devices, which is the driving force of steam?

The basis of any of the steam engine is the steam boiler, which is for the experiment can be done yourself.

(Further…)
08/25/2016

## How to find the radius

If one can construct a polygon inscribed and circumscribed circles, that this area of ​​the polygon is less than the area of ​​the circumscribed circle, but most of the area of ​​the inscribed circle.

Some polygons are known formula to find the radius of the inscribed and circumscribed circles.

(Further…)
08/13/2016

## How to find ore

Search ore - this is the stage that precedesexploration and production of a given ore. The choice of equipment to search, structure search teams and search method is directly dependent on what type of ore are looking for.

Due to the fact that all the easily identifiable ore deposits have been identified, ore search option by a single expert, having only a pick and pan, considered useless.

(Further…)
08/10/2016

## WHAT iron ore

Iron ore - a natural mineral formation that contains iron in its composition, as well as its various compounds.

The percentage content of iron in the rock must be such that it was suitable for extraction industry.

(Further…)