Posted by: thiagokorsa on: January 6, 2009
In the past few years, Bluetooth headsets have become must-have accessories for cell phone fanatics. The benefits of these hands-free, wireless devices are obvious, particularly in the wake of state and local laws that require the use of a headset while driving. And just as the number of headsets has exploded, the number of Bluetooth [...]
Posted by: thiagokorsa on: January 6, 2009
A telescope is an instrument designed for the observation of remote objects by the collection of electromagnetic radiation. The first known practically functioning telescopes were invented in the Netherlands at the beginning of the 17th century. Today have a lot of supplies to telescopes, like: Eyepieces, filter, lense, mirror, prism and holder. In this big [...]
Posted by: thiagokorsa on: January 6, 2009
A monocular is a modified refracting telescope used to magnify the images of distant objects by passing light through a series of enses and prisms; the use of prisms results in a lightweight telescope. Volume and weight are less than half those of binoculars, making it easy to carry. In this big store, you can [...]
Posted by: thiagokorsa on: January 6, 2009
Binocular telescopes, or binoculars, are two identical or mirror-symmetrical telescopes mounted side-by-side and aligned to point accurately in the same direction, allowing the viewer to use both eyes (binocular vision) when viewing distant objects. Most are sized to be held using both hands, although there are much larger types. Unlike a monocular telescope, a binocular [...]
