Tony Arruza/Getty Images When you hear this phrase, a picture probably pops into your mind -- someone trying to drag a mule forward by a rope while the mule resists, digging its hooves into the dirt and refusing to budge. Or maybe you're picturing a donkey. If so, are both animals...
A point-and-shoot camera (or “bridge camera”) is also capable of powerful images of the moon, especially when held up to the eyepiece of aDobsonian reflectortelescope. It can be tricky to capture a sharp image while hand-holding the camera up to the eyepiece, so you’ll likely need t...
Editor's note: If you have an amazing photo of the Intenrational Space Station, satellite or any other night-sky sight that you'd like to share for a possible story or image gallery, send images and comments in to managing editor Tariq Malik at spacephotos@space.com. This article was up...
Rafael Henrique/SOPA Images/LightRocket via Getty Images Streaming has become such a commonplace amenity of modern living, it can be hard to imagine someone unfamiliar with the concept. However, it wasn't so long ago that it was common to ask the question: What is streaming? Contents ...
Most of the time, converting satellite and aerial images to maps requires the skill of a human cartographer. Cartographers can measure the features of an image at regular intervals, or they can trace entire outlines. These two methods are known as raster and vector encoding, and both can be...
So, while you can't see it with your eyes from space, you can see it in satellite images.Why Should You Visit the Great Wall of ChinaThe Great Wall of China is a must-see attraction. Visiting the Great Wall is not just about viewing an ancient structure; it's about experiencing a ...
Small (1 to 2 feet) satellite-dish antenna arriving in a set-top box that connects to the antenna terminals The first four signals use standard NTSC analog waveforms as described in the previous sections. As a starting point, let's look at how normal broadcast signals arrive at your house...
and latency are two key factors that affect how we perceive the speed of ourinternet connection. But they're not the same thing. Understanding what they are and the difference between them can help you troubleshoot your home internet -- whether you're...
Spy satellite imagery can be used to map warfare-induced deforestation and changing agricultural practices in Vietnam. “With this data we can not only map the extent of this damage with help of these images, but also explore how landscapes have changed later in response to the wa...
(CV) of footprint for each vegetation types; (c) the number of pixels required to cover the footprint area using Landsat satellite NDVI with a 30 m spatial resolution and using MODIS NDVI with 500 m spatial resolution, respectively; (d) the footprint NDVI, Landsat, and MODIS satellite ...