CJ Affiliate: +Sacramento California
$88 for $175 Worth of Services — Mirror Mirror Hair Boutique
From the merchant: Small salon studio located in the heart of midtown sacramentoManufacturer: Mirror Mirror
Price: 88.0 USD
Retail Price: 175.0 USD
Advertiser Id: 3724478
Advertiser Name: LivingSocial
$16 for One Month of Unlimited CrossFit Light Classes at CrossFit Sacramento (Up to $150 Value)
The Deal $16 for one month of unlimited CrossFit light classes (up to $150 value) See the full scheduleThroughout the week, certified instructors lead one-hour CrossFit Light sessions that omit speed training to focus on building strength.Manufacturer: Crossfit Sacramento
Price: 16.0 USD
Retail Price: 150.0 USD
Advertiser Id: 3724478
Advertiser Name: LivingSocial
Garage Door Tune-Up Packages from Sacramento Garage Door Experts (Up to 83% Off)
Choose Between Two Options $25 for a garage door tune-up and safety inspection ($149 value) $75 for a garage door tune-up, inspection, and nylon roller replacement ($200 value)Garage-Door Openers: Signaling SecurityLearn a little about the technology inside the little remote in your car with Groupons examination of garage-door openers.In 2012, garage doors throughout southeastern Connecticut mysteriously seized up. The culprit? A military submarine base. Annoying as it may have been, there was nothing sinister behind this pattern. Rather, it was simply a side effect of the way all remote-entry garage-door systems are designed. Each time you open or close a garage door, the remote and the receiver inside have a brief conversation in code—a conversation that happens to be conducted via radio signals over the airwaves. The unfortunate homeowners in Connecticut eventually learned that the signal emitted from the submarine base’s radio-communication system shared a frequency with their garage-door systems, and the more powerful military signal drowned out the information their remotes were trying to transmit.The codes transmitted by garage-door remotes have gotten far more complex over time. As early as the 1960s, burglars learned to use radio scanners or “code grabbers” to pick up the code when the homeowner used it to open the door; they could then re-transmit the code to gain entry themselves. In response, most remotes today use rolling codes that can generate billions of combinations. This is possible because each time a message is sent between remote and receiver, each part of the system also selects and stores a new code. Those codes will always be in sync because each has been programmed with the same pseudo-random number generator—that is, a formula that produces a sequence of numbers that would appear random to anyone not possessing the formula. (Beware, however: it is possible to desynchronize the system by pressing the remote button out of range of the opener more times than the system’s built-in tolerance for error will permit.) Once this is done, the remote and receiver are ready to kick the systems motor into gear and help you begin or end another day on the road.Manufacturer: Sacramento Garage Door Experts
Price: 25.0 USD
Retail Price: 149.0 USD
Advertiser Id: 3724478
Advertiser Name: LivingSocial
$19 for One Silver Gender Package at Sacramento Imaging ($50 Value)
The Deal $19 for one silver gender package ($50 value)Package components Gender determination (15 to 22 weeks) 4 black and white printed images Listen to heartbeat Face/body scan3D and 4D Ultrasos: Seeing Babies Like a BatThough ultrasound is used as a diagnostic tool today, it was considered a therapy when it first appeared in medicine in the 1920s. Read on to learn how todays 3D and 4D ultrasounds work.Ultrasound machines are complex pieces of equipment, but the basic principle is so simple a bat can use it. Send out high-pitched sound signals (so high-pitched humans cant hear them, in fact), and listen for them to bounce back. The time it takes for the sound to return tells you how close you are to another object, and sending dozens of these signals per second gives you a pretty good picture of the contours of the environment ahead of you and which bugs are juiciest. In the case of an ultrasound machine, these calculations typically map a 2D picture of a growing fetus in the womb. A 3D ultrasound takes this idea a step further, sending ultrasonic waves from a variety of angles around the body to provide a significantly more detailed picture. Adding the element of time results in a moving 3D image, often called a 4D ultrasound. Both 3D and 4D ultrasounds are elective procedures, most commonly used to show what a baby looks like and to identify its gender. Though ultrasonic technology is used as a diagnostic tool today, it was considered a therapy when it first appeared in medicine in the 1920s, using much more intense ultrasonic energy to apply controlled heat to tissues deep within the body. However, in 1955, Professor Ian Donald of Glasgow University’s Department of Midwifery began to test its application to the diagnosis of tumors, creating a stir in the medical community when he identified a large but operable ovarian cyst in a patient who had been misdiagnosed with inoperable cancer of the stomach. In 1959 he discovered that the ultrasonic waves could provide images of fetuses as well, allowing doctors to study pregnancy at all stages, diagnose any complications, and help name the baby by seeing which celebrity it looks most like.Manufacturer: Sacramento Imaging
Price: 19.0 USD
Retail Price: 50.0 USD
Advertiser Id: 3724478
Advertiser Name: LivingSocial
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