How to Troubleshoot a Telescope's Focus?

Answer A telescope's focus control defines the sharpness of the star's image. If the telescope is out of focus, the star will be difficult or impossible to see. Certain focusing techniques will allow you ... Read More »

Top Q&A For: How to Troubleshoot a Telescope's Focus

What Advantages Do Space Telescopes Have Over Telescopes Used on Earth?

Telescopes are our window on the cosmos. Nearly every fascinating image of galaxies, stars, planets, nebulae and other celestial bodies were produced by telescopes. The Hubble Space Telescope in pa... Read More »

How to Troubleshoot a Misfire in a Ford Focus?

A Ford Focus ZTEC engine uses a distributor-less ignition with two separate coils on the valve cover. Each of these coils fires two cylinders. This is called the wasted spark system, in which the c... Read More »

How to Troubleshoot the Air Conditioning in a Ford Focus?

If the air conditioner is not properly working in your Ford Focus try and troubleshoot the problem yourself. You may be pleasantly surprised that it is an easy fix.

How to Troubleshoot a Ford Focus Heater?

The heater in your Ford Focus works off of the radiator. Coolant is pumped through a heater core and radiates heat. This heat is then blown into the passenger compartment by a fan. While your heat... Read More »