Using this approach, a benchmark with a 100GB data set showed that Aurora could complete 35x more transactions than a mirrored vanilla MySQL in a 30 minute test.

The other pro is, of course, environmental. The energy-use picture is good when you compare its boiling water with a kettle. Kettles tend to need filling with a minimum of 500ml and everyone puts a bit too much water in, which is boiled wastefully again and again. Then there's the times we forget the kettle has boiled and reboil it. That's wasted electricity (and money). The crowning feature of the New Refresh Aurora is its enchanting Aurora Lighting. The hot tub comes alive as the RGB illuminated jets, waterline LEDs, and corner panels cast a mesmerizing light display, adding an extra dimension to your spa experience. Clear skies are a requirement, so you should try to choose a location and a season that is blessed with the clearest skies. The continental locations in Russia, Alaska and western Canada under the auroral zone statistically have the clearest skies. Note that during the spring, the skies of Iceland and Scandinavia are usually clear. So the dark of the moon in March is the best time of year to travel to the auroral zone since the yearly cycle of auroral activity also peaks around the equinox.The best time to watch for aurora is the three or four hours around midnight, but aurora occurs throughout the night. Active auroral displays tend to be more diffuse and fragmented later in the night, which means that 9 p.m. to 3 a.m. is typically the time period with the highest probability of seeing spectacular auroral displays over interior Alaska in winter. Since clear sky and darkness are both essential to see aurora, the best time is dictated by the weather and by the sunrise and sunset times. The moon is also very bright and can make it more difficult to view the aurora, so lunar cycles should be taken into account. But it's not as simple as electricity use. If you buy bottled water, then swapping to a filter is of course a huge environmental improvement. Meanwhile, the question with all products is how much energy and materials went into making them and how long will they last? Build quality seems good. If your kettle dies and you choose to replace it with the Aurora rather than a new kettle, the lower energy-use over its lifetime might make up for the extra materials. But if you're going to have a kettle too, then like many kitchen appliances, it's an indulgence. For specific information on accommodations, tour companies, etc., we suggest www.explorefairbanks.com. She began creating melodies at the age of just 6 and started writing lyrics at the age of 9. Songs such as “Running With the Wolves”, “I Went Too Far” and “Runaway” were composed in this early stage of her life, “Runaway” being written when she was 12.

The best places to view aurora are high northern latitudes during the winter in Alaska, Canada, and Scandinavia . Furthermore, there is quite strong (but poorly understood) tendency for auroral activity to be stronger at equinox than it is at solstice. This so-called “Russell-McPherron effect” means that the statistical likelihood of seeing aurora over interior Alaska is roughly twice as high at equinox as it is at solstice. Combined with a slight preference for better weather in spring than in fall, this means that late February to early April are usually considered the best aurora viewing months in Alaska. The activity that creates auroras begins on the sun. The sun is a ball of superhot gases made of electrically charged particles called ions. The ions, which continuously stream from the sun’s surface, are called the solar wind. ALL-IN-ONE APPLIANCE: Make your kettle redundant. The Aurora is a kettle, chiller and water filter jug, all in one appliance. With a total of 49 different temperature and volume options from chilled to boiled, and 1 cup to 1 litre you're only a touch away from your perfect drinkAll Hot Tubs have synthetic PVC skirting, which is easier to maintain than real wood as it doesn’t require treatment or varnishing. Real wood options are available if desired. Quantifying the energy use for the chiller is more complex because it's easy to keep a filter jug in the fridge door. It's hard to say how much extra energy it takes to keep that cool and how much is lost all those times you open and close the fridge door to fetch water. Immerse yourself in the ultimate home spa experience with the New Refresh Aurora Hot Tub. Designed to accommodate up to five people, this luxurious spa features 27 invigorating hydrotherapy jets, driven by a powerful 3HP pump and an additional circulation pump for a thoroughly satisfying soak. PLUG & GO: No plumbing required. The Aurora has an easy fill, removable water tank which holds up to 3 Litres. The see through water tank can be filled from the tap and washed in the dishwasher The ultimate energy source for the aurora is the solar wind. When the solar wind is calm, there tends to be minimal aurora; when the solar wind is strong and perturbed, there is a chance of intense aurora. The sun turns on its own axis once every 27 days, so an active region that produced perturbations which resulted in aurora might again cause aurora 27 days later. The solar wind takes approximately three days to get to the earth on its way from the sun. Observing the sun and predicting perturbations in the solar wind resulting from events taking place on the sun (such as flares or coronal mass ejections) provides information in a few days in advance of possible auroral displays. Spacecraft such as the Solar and Heliospheric Observatory (SOHO), Solar Terrestrial Relations Observatory (STEREO), and Solar Dynamics Observatory (SDO), provide researchers with data on activity occurring on the surface of the sun as well as in the solar magnetic field.

Aside from the maintenance of the filter, it's important to descale regularly in a very similar way as you would with a coffee machine. When it's ready to be descaled the descale icon will be illuminated in orange, which takes out the guess work of when to descale. I'd recommend referring to the user manual for this, again, so best to keep this somewhere safe. Should you buy the Aqua Optima Aurora? The Aurora Spa has 100 stainless steel jets, with different types providing a range of massage experiences. These include 4” and 5” rotating therapy jets that will pound your body after a hard day’s work or exercise, lowering your blood pressure and bringing you to a state of total 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