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Many of these are still used by the inhabitants of the valley. The most visible part of the system are the spiraling, funnel-shaped holes called ojos. At the bottom they are about a meter or two across. The wells also let wind into the canals and force the water through the system. These trenches or aqueducts are V-shaped, and often lined with pebbles to prevent the soil from collapsing. Many of the open trenches empty into small reservoirs which serve as wells and as distribution points....

The tracks of the tramway were built out of the same material it was designed to carry granite. The trackway was built in 1820 and remained operational until 1858. But the transport of this heavy and bulky commodity was a significant problem. The rails were hewn from irregular blocks of solid granite and laid directly on the ground. The horses held the wagons back and prevented them from running away while descending....

Theres one workout that every endurance runner should be running. This bread and butter workout is the almighty tempo run. Tempo runs are beneficial for virtually every runnerfrom milers to marathoners, tempos are nearly ubiquitous. In college, we ran tempo runs during cross country when we were training for the 8km distance. And of course, theyre a staple for longer distance runners training for the marathon and beyond. If youre not familiar with this bang out of workout, there are three popular definitions:...

This folding exercise bike can work your arms or your legs. Its sturdy enough for serious workouts, with a price to rival full size equipment. When youre done, though, it barely takes up space. Weve covered other unusual exercise bikes here before,like the DeskCycleand the full sizedFitDesk. Both of those are designed to give you a light workout while you do something else. But Excy is only a distant cousin to those....

The magic of Jiuzhaigou lies in the water the alpine lakes and waterfalls. The most famous of the lakes of Jiuzhaigou is theFive Flower Lake, also known as Wuhua Lake. Its a shallow multi-colored lake whose bottom is covered with ancient fallen tree trunks. The Five Flower Lake. Photo credit:GreenArcher04/Flickr The Five Flower Lake. Photo credit:chensiyuan/Wikimedia The Five Flower Lake. The lake empties into the multi-stream, multi-level Panda Waterfalls, dropping 78 meters in three steps....

Whats a Raspberry Pi? The Raspberry Pi is a small, $35 computer that fits in the palm of your hand. It runs Linux as well as a handful ofother low-power operating systems. The Raspberry Pi also has its own official operating system,Raspbian. Other operating systems exist, buttheyre mostly made for specific projects. The Raspberry Pi has gone through several iterations since its launch in 2012. The newest version is theRaspberry Pi Model 3....

So far, it has been a success. The first mural was created in 2002 as part of the citys bicentennial anniversary celebration. The murals, created in trompe l’oeil style, are the work of talented local artists. The project is overseen by a non-profit organization called M.U.R.I.R.S. Photo credit:destinationsherbrooke/Flickr This mural made in 2003 is called Once Upon A Time In The East. It shows 29 typical and well-known characters of the east side of the city....

Unless you were born into riches, youve probably dealt with money troubles. Financial problems can be a struggle, and financial literacy is the go-to solution to building good money habits. Create a budget,learn some basic rules, andpoof! Our money woes are cured. Thats not all it takes to improve your finances, though. Not by a long shot. Financial literacyis, in a nutshell, understanding how money works. Its very important, and its not difficult to learn....

The cool, glistening waters of public pools are certainly seductive on a hot summer day. Heres what you should probably know to stay safe (and cool) in a public pool. Coli,Cryptosporidium(Crypto),Giarda, and otherrecreational water illnesses. Bromine acts similarly to chlorine, but its generally used inhot tubs because its more stable in warmer temperatures. For bromine, its a bit more. (These figures apply to your own backyard pools, too.) But swimming pool chemistry is pretty complex....

But other sites are no less intriguing. Photo credit:barclakj/Flickr There are three major groups of stone alignments in Carnac. The Menec alignment also runs over a kilometer, has twelve rows and contains approximately 1,100 standing stones. The Kerlescan alignment is about 800 meters, has thirteen rows and contains about 555 stones. The significance of these construction, especially the alignments, have been debated for centuries. Some suggest that the alignments were used for ceremonial or religious purposes....

Famous physicists Max Planck, Neils Bohr, and Max Born taught here. And like most university towns, Gottingen has developed its own quaint traditions. One of them involves the bronze statue at a fountain in front of the old town hall. The statue depicts a young girl carrying three geese in her arms. In any case, soon after the statue and fountain was erected, a tradition developed. Bouquets of flowers are also offered....

We already know that most usersclever passwords arent protecting them from hackers. Must use a capital letter, lower case letter, and a number. Must use a special character like %, &, *, or !. If a password cracker had access to better machinery, that time could be dramatically reduced. And thats if youre cracking a password the hard way. In reality, most people either consciously or subconsciously adhere to certain patterns when creating their passwords....

Managing an entire citys parks involves a lot more than just mowing the lawn. And theres also paper work, of course. Im currently the Parks and Recreation Director for a small city in the state of Kentucky. My official title is the Director of Parks, Recreation, and Cemeteries. My department has 20 people in five divisions: Recreation, Golf, Pool, Cemetery and Parks. In addition, we manage the city pool and lifeguards over the summer....