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How does an hourglass measure time?

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Where and when

Since they are so conveniently easy to use, you can use them almost anywhere for example against a wall, the back of a chair, on the floor or use your hands. Some office workers keep them at their desks as a reminder to use them during the day to help with releasing built-up muscle tension from poor posture or stress.

How

Start with only a few knots at a time, the most painful area being first. The idea is to trap the knot in the muscle with the ball and apply gently to medium pressure until the painful sensation has faded. Once you have the correct spot (and you will know when), hold it there and try to relax until only about 80% of the ache remains. When pressing too firmly, the sensation can be too painful for you to relax which defeats the purpose of using the massage ball in the first place, it could also potentially irritate the area. You are looking for a “good pain”.Roll the ball around to look for more tender spots or just enjoy gently going back and forth over the tight muscle. If you feel the muscle needs it, you can repeat it twice a day. After releasing the knot, follow it up with gentle stretches to the same muscle. It’s okay to lightly exercise the muscle afterward but avoid fatiguing it for 24 hours.

“The Crown Jewels for Collectors” — that’s what Paul Hollister wrote about fine glass paperweights. He was one of the foremost scholars of 17th to 19th century glass studies, glass paperweights, and contemporary studio art glass. Paperweights are considered the most collectable of 19th century glass items, and also the most challenging of the glass arts to make. Fine glass paperweights are, indeed, rare treasures.

Most antique paperweights of quality were made by one of three French factories, as a sideline, for just 10-15 years in the mid-1800s. It’s estimated that only about 25,000-30,000 remain today, with many tightly held in museum collections. Fine contemporary paperweights are made by a limited number of studio artists and are sold either by the artist, or by a small group of specialty dealers.

History

The mid-to-late 1800s were sentimental and romantic times, heralded by an emerging middle class, resulting from the matured Industrial Revolution. Letter writing became a fad, and paperweights were sold in stationery stores as an attractive accessory to desk-sets of pens, inkwells, blotters, and fine stationery. The first glass paperweight was made in 1845 by Venetian glassmakers in response to the letter-writing fad. They could have been made 300 years earlier because the techniques were known, but paper was then a rare commodity and there was no need for a paperweight. They are the perfect example of form following function.

American made paperweights followed from 1851 into the late1880s, by the Boston and Sandwich Glass Company, and the New England Glass Company — and more rarely by makers including Dorflinger, Mount Washington, Gillinder, and Whithall Tatum companies. Their glassmakers were mainly European immigrants already skilled in the craft, which explains why American weights are somewhat imitative of the European. What American weights may have lacked in quality, they more than made up for in creativity and ingenuity, which makes them even more charming to their collectors.

What does iCloud Keychain do?

When you enter a new password in Safari, you’ve probably seen iCloud Keychain ask if you would like it to save it for use across all your devices. So long as you are running iOS 7.0.3 or later or OS X Mavericks 10.9 or later, iCloud Keychain will store the following items securely in iCloud. Once secured in iCloud Keychain, you will be able to access all these items securely from any Apple system logged into your Apple ID.

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