Sleep deprivation affects cognitive performance. Sleep-deprived people have an impaired ability to perform tasks that require additional energy, including schoolwork and meal preparation. Low motivation or energyĪ 2022 study found insomnia blunted reward responsiveness, resulting in anhedonia, or loss of pleasure or interest in previously enjoyed activities.ĭeep sleep greatly influences the body’s energy production and enhances its ability to produce energy. Researchers refer to this as terminal insomnia or sleep offset insomnia. Waking up early and not being able to get back to sleepĪ person with insomnia may habitually wake very early and cannot go back to sleep. Other causes of sleep maintenance insomnia include: Older adults are more likely to wake up in the middle of the night. It may occur because of conditions such as: Rapid eye movement is a sign of high brain arousal during sleep, which causes insomnia to occur during the night. Some people have trouble maintaining their sleep after initiating sleep.ĭuring sleep, frequent arousals can lead to fragmented sleep. A person may unintentionally fall asleep or do so at inappropriate times and report feeling “tired all the time.” Waking up during the night They have a strong urge to sleep during daytime hours. Persistent sleep difficulties can lead to excessive daytime sleepiness or hypersomnolence.Ī person with excessive daytime sleepiness finds it difficult to stay awake and alert during the day. It can also occur as a symptom of other conditions, such as: This is called sleep-onset or initial insomnia.Ĭertain triggers may cause a person to have trouble falling asleep, such as: Difficulty falling asleep at nightĪ person with insomnia may find it difficult to initiate sleep in the early sleep stage. Having the following symptoms may be a sign that a person has insomnia. Around 6–10% have symptoms that meet the diagnostic criteria for insomnia. According to preliminary research, about 1 in 4 U.S. This entry was posted in Health in Aging, JAGS Research Summaries and tagged insomnia, sleep disorders by HIA Guest Blog. Van Ness, PhD, MPH Ling Han, MD, PhD and Carlos A. The study authors are Brienne Miner, MD, MHS Thomas M. This summary is from “Insomnia in Community-Living Persons with Advanced Age.” It appears online ahead of print in the Journal of the American Geriatrics Society. They also suggested that healthcare providers should take depression and restless leg syndrome into account when they treat older adults who have insomnia. The researchers concluded that the high rate but mild severity of insomnia highlights the need for healthcare providers to use appropriate tests to confirm sleep problems among older adults. These risk factors were not linked with insomnia in the older study participants. These risk factors included chronic heart and breathing problems, sleep apnea, taking multiple medications, and cognitive impairment (trouble with thinking abilities). The researchers looked at risk factors for insomnia in younger adults. They also reported another surprising finding. However, the researchers were surprised to discover that the participants’ insomnia was mild. The researchers reported that 43 percent of the older adults in the study had insomnia, and that restless leg syndrome and symptoms of depression were linked to insomnia. They also answered questions to determine whether they had insomnia, and if so, how severe it was. The participants answered questions about sleep disorders, such as restless leg syndrome, daytime sleepiness, and sleep apnea (the medical term for when your breathing pauses during sleep). Over the years, the study’s participants have regularly completed tests at home and interviews to determine their health. The study population consists of 754 non-disabled older adults between the ages of 78 and 102 (with an average age of about 84). The researchers reviewed information from the Yale Precipitating Events Project (PEP), an ongoing study that began around 20 years ago. Their study was published in the Journal of the American Geriatrics Society. The researchers’ theory was that insomnia would be more common and severe as people aged and would be linked to other health problems. This means we don’t fully understand insomnia among older people.Ī team of researchers from the Yale School of Medicine and the Yale School of Nursing decided to fill the knowledge gap by studying insomnia and its severity in older adults. However, when researchers study insomnia, they may not include older adults in their studies. As many as 50 percent of people report having trouble sleeping. It tends to worsen as we age, and insomnia is a common problem among older adults. Insomnia means having difficulty falling or staying asleep at night. Journal of the American Geriatrics Society Research Summary
0 Comments
It may be trickier to draw with a compass now, but will be a bit easier if you’re doing it freehand, ironically enough. The way you do it will be more or less the same, but it will be a bit trickier now that the circle is smaller. When drawing it, you can use the same drawing tools and methods we recommended for the eyeball in the first two steps. It should be around half the size of the actual eyeball, maybe a bit smaller. The iris could go pretty much anywhere on the eyeball that you choose.Īs you can see in the reference image, the iris is actually quite large on the eyeball. In our example, we have the iris a bit off the center of the eyeball as a whole, but you could place it elsewhere if you wanted to. To do this, we will essentially be doing what we did in the first step, just on a smaller scale. The iris is the part of the eye that is colored, and we will add that part to your eyeball drawing now. Now that we have the outer circle outline of this eyeball, we can start drawing some of the interior details! Step 3: Add the iris When you have something that is as close to a smooth, perfect circle as you can get, then you can go over it with a darker pencil or with your drawing pen. Take it as slowly as you need to, that way you can make it as smooth as possible. If you don’t have a tool to use, then we would recommend slowly drawing with a very light pencil. Those should be easy enough to fix, and then you will have your complete circle! Even if you use a tool to help you, it can take a bit of getting used to, so be sure to practice a few times until you get the hang of it. Any method may result in small holes or spots that your pen or pencil didn’t reach. No matter which method you used, you can look at the circle and ensure that it is smooth throughout. If you used a stencil, then you can similarly continue the motion of the circle. If you used a drawing compass, then simply continue the motion to finish off the circle. How you go about doing this will depend on the method that you used to draw the first half. You have one half of the eyeball outline done, but in this step we will finish it off by drawing the rest. No matter what you use to draw it, we can move on to step 2 when you’re ready. If you don’t have anything to use, you can try your best to draw as smooth a circle as you can, it doesn’t matter if it’s not perfect! For this first step, we will draw the first half of the circle that will form the main outline. You could even use something like the lid of a jar in a pinch. If you don’t own a drawing compass, they can be purchased cheaply at any stationery or art stores.Īnother option is to use a round stencil or a flat round object that you can draw around. Using the point on the page, it can then rotate in a perfect circle. These tools have a sharp point that you place on the page, and then you clip your pencil to the other end. For this drawing, we will be creating lots of circles.ĭrawing perfect circles is pretty much impossible when done freehand, so if you want them to be perfect then you will need to use a drawing tool.Ī drawing compass is the best tool to use for the job. How to Draw An Eyeball – Let’s Get Started! Step 1įor this eyeball drawing, all you really need technically would be a pencil or a pen, but there are a few tools that can make it much easier. So get out your favorite drawing and coloring tools and let’s find out how to draw this important organ. Not only will we cover how to draw one, but we will also go over some ways that you can customize your drawing in some fun ways. That’s what this guide is for, as we will be showing you how to draw one yourself. You wouldn’t think it’s the case, but it can present quite a challenge to get it right. They’re also important in that eyes are what we will usually look at first when interacting with someone, so they’re an important part of our identity.Įven though we see eyes in one way or another each day, it can still be tricky to learn how to draw an eyeball. You’re using them to read this right now, and we use them almost every second of the time that we’re awake each day. Our eyes are incredibly important parts of our bodies. Stunned by my sudden obsession, both were hesitant to hand out compliments. There are slight differences in the outsoles, too, but not in tread or traction control, just color. The OG, on the other hand, has almost no arch support, much like the Chuck Taylor-All Star, and a much shorter tongue. It has higher arches, a longer tongue and is easier to slip in and out of. (Hint: try sport-specific outlets, like, not the official Adidas website.) I went with the Samba Classic, the iteration with the extended tongue - the pair truly meant for indoor soccer. Then I got two pairs, and with ease, too, despite the shoe's newfound over-the-top popularity. But they'd completely written me off, a non-soccer player, as someone who'd wear, let alone like, Sambas. John wears a pair of black Samba OG sneakers, the version with the shorter tongue, all the time - to the gym, to pick up a quick dinner and to the occasional bar, especially if soccer is on. So, how can a buzzy sneaker get even buzzier, you ask? Even though it seems like the fashion elite is slowly moving on, everyone else is catching up, meaning Sambas still have plenty of shoppers left to convert - including plenty of folks that wore Sambas some 10, 15 or even 20 years ago and are long overdue for a fresh pair.Īmong those are my childhood best friends, and two true soccer fanatics, Chris and John. But the hits keep coming, if you will, with more limited-edition Sambas on the horizon. The simplicity of the design makes it a versatile shoe not only in terms of matching it with your attire but also for how many activities you can still use it from.The affordable everyman indoor soccer suddenly shoe suddenly switched up - it went high fashion, thanks in no small part to designer renditions by Grace Wales Bonner, Pharrell and Sporty and Rich founder Emily Oberg. To conclude our adidas Samba classic review, it is clear why after so many decades it is still one of the most popular retro shoes on the market. Since it lacks serious arch support it is not recommended to wear these where you need to stand up for long hours. This whole setup makes it a good sneaker to wear casually, at schoolor for any light athletic activities. It does a decent job with the heel to toe transition and the shock absorption especially under the heels. Just under it is the rubber sole that features a honeycomb pattern that is thinning out towards the forefront. It wears out after a while, much faster than the rest of the shoe but that is why it is removable so you can get a fresh one. Much like all retros there is a removable EVA insole that makes up for most of the cushioning in the sole when you first put these on. The sole unit of the adidas Samba classic is quite minimal, being designed to give the wearer stability and a close to ground feel. We realized quite fast during this adidas Samba classic review that unlike many sneakers from decades ago, this sneaker is still relevant as an indoor soccer shoe. It makes for a comfortable shoe that feels great on and off the pitch. Most of the cushioning is found in the ankle area while in the tongue is quite minimal. The combination of leather and suede makes it a quite durable shoe while the TPU heel counter adds stability to the shoe. It is a look that many find easy to sport with any attire, casual or not. The T shaped suede overlay in the toe cap area and the elongated tongue are elements that are specific to this style. The upper of the adidas Samba classic features a signature design that inspired the creation of new styles for generations. If unsure about what size you need, you can check out our Adidas shoes size chart here. They are quite comfortable to walk around even if they do not have much cushioning in them. The pair we got is leather with suede which made it so I had to wear them around a bit to break them in. They fit true to size, yet they run a bit narrow. It was nice to try one of these once again, they seem as fresh as ever. The pair in 2023 is a version of the shoe that has been around for decades, the one in black, white and gum. This year is one again one of the most popular choice among adidas Originals retro shoes. Recently some celebrities like Jonah Hill were spotted wearing the Adidas Samba classic while also the brand came up with some special editions. Given its stability it also became popular with skateboarders in the 90’s. It became more popular in the 70’s and 80’s once it was absorbed into the street culture. It has its origins in the 50’s, being designed as an indoor soccer shoe. This model is one of the best ever selling shoes in the history of the Adidas brand, along with the Superstar and Stan Smith. Adidas Samba classic is another retro shoe that made it into our warehouse today, giving us a chance to revisit this style and review its features. Unfortunately, while "Allow Discharge" is activated, clamshell mode is not supported due to technical limitations. Afterwards, it will stay at the desired battery percentage and use the power adapter again. Allow Discharge (Beta) - When this feature is activated, your MacBook will run on battery until it has reached the desired percentage.Make sure you safe the AlDente program file in the Applications folder for this feature to work. Launch at Login does exatly what it says, it will automatically launch AlDente when you start your MacBook. You can either set it by using the slide bar or by typing in the desired percentage in the field above and pressing enter afterwards. Battery Charge allows you to set your maximum charging percentage between 20 and 100 percent. Keeping your battery at 100% at all times can shorten the lifespan of your MacBook significantly. Li-ion and polymer batteries (like the one in your MacBook) last the longest when operating between 20 and 60 percent. If you want to get notified, when AlDente Pro comes out, just enter your email at In the meantime, stay safe and keep your battery fresh. If you have any feature requests or ideas for AlDente Pro, let us know. However, there will always be this free and open source version of AlDente updated with the new M1 SMC keys. Since we have put a lot of hours into developing the app, it will cost a little. Thats not all, we have also started working on a pro version of AlDente with advanced features several weeks ago. We thank everyone who has helped us here in the forum and hope you like it. The time has come: AlDente for Apple Silicon (M1 MacBooks) is out now. AlDente for Apple Silicon (M1 MacBooks) is out now! MacOS menu bar tool to limit maximum charging percentage Don't overcook your battery! Keep it fresh and chewy with AlDente. This makes it easier to manage your passwords and not have to memorize and type them in every time you go. In both cases, you can also use AirDrop to send the password to another device. Safari on your iPhone or iPad will automatically save your passwords if you allow it to. Click the three horizontal dots within a circle at the bottom of the list of passwords. Enter your Mac’s password to unlock access. Within the Safari Settings window, click Passwords in the top toolbar. Now switch to your password-management app to store it. From the drop-down menu that appears, highlight and select Settings. Scroll or search to find your password entry. Prove yourself with Touch ID, a passcode, or Face ID. With it, your account names, passwords, and credit card numbers can be safely and securely stored on your Mac, iPhone, or iPad keychain and synced across all your devices using iCloud. Step 2: Tap the ‘+’ icon to the upper-right corner of the screen. iCloud Keychain is Apples password management system. Switch to your password-management app, create an entry, and paste the password. Step 1: Get to the Settings app of your iOS device, and then tap Passwords & Accounts. imgillustrationvisualpersonalhalf-screenmobile-autofill. ) and the password displays.Ĭontrol-click the password entry line and you can select Copy Password. Your LastPass vault connects with the iOS Safari Extension for your convenience and security.To delete stored credentials in Safari: Open the Safari menu and select. How to retrieve a stored password in macOSĮnter your account password to unlock the view.Ĭlick the masked password ( To eliminate a specific saved password, highlight the site and select the X. Use Suggested Password stores a password with Safari (and iCloud Keychain), but bypasses third-party storage.Īpple extending password availability to iOS apps was a big help, but it’s relatively difficult to access your passwords in iOS and Safari if you need them for other purposes in macOS or if an app hasn’t built in the necessary support. If your SD card is experiencing any of the above signs of corruption, it's highly recommended that you should stop using it immediately. For example, you can't make any changes to the card or it turns into an unreadable SD card on Mac. You encounter read or write failures when using the memory card.A black screen on your digital camera, and you can't take any photos with it.Strange error messages pops up after connecting the card to your Mac.Some of the SD card files are missing or you notice strange file names on the card.The SD card is not showing files on Mac.The SD card is not showing up on Mac, or your Mac won't read SD card.If you notice any of the following issues happen to your device, then you might have a corrupted SD card. Here are some common indicators that your SD card has become corrupted. SD cards are fantastic when they work properly. How do I know if my SD card is corrupted? FAQ about recovering a corrupted SD card Mac How to recover data from a corrupted SD card on Mac? In this article, we'll show you how to repair & recover a corrupted SD card on Mac, and help you restore your valuable files. If you are facing this problem, don't worry. And a corrupted Android SD card or SD card used for other purposes usually means that your saved data is on the verge of losing. They are widely used in various mobile devices, like digital cameras.īut like other external storage devices, they can get corrupted over time. In terms of storage devices, Secure Digital cards, also known as SD cards, are becoming increasingly popular nowadays because of their portability and large storage capacity. Your counselor recommendation should come from your assigned guidance counselor, who will have the opportunity to share in what context they know you and describe your character. Letters of recommendation are a crucial component of any undergraduate application. Getting a 4.0 can be challenging, but shooting for a high GPA will undoubtedly bolster your application! Counselor and Teacher Letters of Recommendation There are no cut-offs for GPA, but that doesn’t mean you shouldn’t strive to do well and prove your college readiness. While Vanderbilt reviews applications holistically, it’s always in your best interest to perform as well as you can in your junior and senior years of high school. Your official transcripts demonstrate your academic aptitude and show your GPA to the admissions committee. Below we will explore the materials and details that you’ll need to share in your Vanderbilt application before you can hit submit. Vanderbilt values academic excellence in their students, so consider taking IB or AP courses and securing recommendation letters that speak to your abilities.Īll undergraduate applications require that you compile specific materials for the admissions committee’s consideration. You should also aim for high SAT/ACT scores of 1570 and 35. To get into Vanderbilt, you’ll need to maintain a 4.0 GPA. Although the application process and the wait to hear your admissions decision can be intimidating, submitting a well-constructed and authentic college application will always boost your chances of acceptance. If you want to apply to Vanderbilt, the best thing you can do is focus your energy on polishing your own application rather than worrying over statistics. However, don’t get too caught up on acceptance rates and statistics-this is quantitative data that doesn’t account for the quality of other applications or your compatibility with the school. Vanderbilt is a highly selective new Ivy school, and you should expend a lot of effort in your application to ensure that it receives the attention and recognition it deserves.Ĭonsidering that Vanderbilt’s acceptance rate has trended lower in recent cycles, the numbers can be discouraging to prospective students. You will also need to submit your final grades to YES.Many universities across the nation have reported lower recent enrollment rates due to influxes in the volume of applications they receive. Remember that Final Grades in Brightspace do not transfer into YES. Select Yes on the last pop-up window, and your changes will be saved.On the Final Grades page, select Release All from the Final Grades context menu.Select Enter Grades from the Final Calculated Grade context menu.Return to Grades, and click the Enter Grades tab.Set Final Grade Released to Calculated Final Grade, set Ungraded Items to either Drop ungraded items or Treat ungraded items as 0, and choose Automatically keep final grades updated.Click on Settings in the upper right-hand menu. Once in your course, click on Course Admin, and then Grades.If needed, you can also review our guide on how to set up your Grade Book. You will also need to submit your final grades to YES.īefore you release your final grades of the year, it’s important to review how you have your Grade Book setup. Note: Final Grades in Brightspace do not transfer into YES. At the end of the course, you can retract the calculated final grade and instead release the adjusted final grade. To keep a running total of the student’s grade, configure the grade book to release the calculated final grade for all students. Releasing Final Grades to Students in Brightspace You can even imagine that maybe he lost both of his parents, or thought he did like Milhouse thought he did. So what do you think is Buster's deal and why do you think he's dressed like this? Is he a hoodlum? Is he a rebel? Or is he just trying to look cool? Or could it be he's tired of being a silly goose and wants to be a "man." And could he be that way because he got sick of people thinking he was immature, or wanted people to stop bullying him, or what. But if he's intimidating, GOOD! Sounds crazy but I like an intimidating rabbit. Then I lowered them a little, and then lowered them a little more and now he looks a little more intimidating! Well, I wasn't really going for the intimidating look, I was going more for like, an empty feeling or, uncaring expression, a bit of depression, or something. I decided to keep his eyes fully open, but was wondering what to do with his eyebrows. I wasn't totally sure how to do his eyes though, and I did want him looking kind of emo-like. This is supposed to be modeled after Milhouse Van Houten in the Simpsons episode "Little Orphan Millie," /wiki/Little…, for the gallery, /wiki/Little… And I used this picture of Buster as a source /wiki/Buster_B…, but I wanted his head leaned over to the front, so what I also had to do was tip my computer over to the side a little to make it easier to draw Buster with his head out. However, I decided to give him a darker emotion. And there are at least a couple episodes where he was dressed like this or almost like this, only he also wears sunglasses too. Yep, I got Buster dressed like a gangster, or perhaps like someone who rides a motorcycle, or just some "cool" guy. One could be saying to him "What are you wearing?!" to him. Other mercury applications include its use in pesticides, antifouling paints, batteries, etc.The organomercury compound thimerosal is used for manufacturing vaccines, contact lens solutions, tattoo ink, cosmetics, and dental preparations.When both mercury and gold are present in the amalgam, the liquid metal is used for the extraction of gold from rocks, as gold dissolves into mercury, making it easier for the two substances to be isolated through the process of mercury distillation amalgams with gold, silver, zinc, and cadmium. As an electrical conductor, mercury is used in the electrical switches of thermostats and alarm clocks.This ultraviolet light has the ability to destroy germs Mercury vapor is used in the production of compact fluorescent light bulbs when a spark passes through mercury in a tube, it gives out a blue to ultraviolet light used in fluorescent lamps.However, due to safety concerns, these types of instruments are being replaced with digital alternatives Manufacturing thermometers, barometers, and other scientific instruments.Today, we use mercury for various purposes: Since it releases a bright red pigment, vermillion was used for decorating caves in Spain and France. It has an electronegativity of 2.00 according to Pauling, and mercury’s atomic radius is 155 pm, as determined per van der Waals.Ĭinnabar (or vermillion) was used by the Palaeolithic painters around 30,000 years ago. In comparison with the other metals, mercury is a poor conductor of heat, but an excellent conductor of electricity. With the periodic table symbol Hg, atomic number 80, atomic mass of 200.592 g.mol -1, and electron configuration 4f 14 5d 10 6s 2, mercury is a highly mobile liquid metal that reaches its boiling point at 356.619☌, 673.914☏, or 629.769 K, while the melting point is achieved at −38.829☌, −37.892☏, or 234.321 K. Used in thermometers, barometers, batteries, electrical switches, and mercury-vapor lighting products. Chemical and Physical Properties of Mercury Propertyįrom 80(+400-40) milliseconds to 444 yearsįrom the Roman god Mercury Latin: hydrargyrus (liquid silver) Mercury was also used by several chemists, including Carl Wilhelm Scheele, Joseph Priestley, and Humphry Davy to discover other elements. It was also used by the miners to obtain gold from the New Almaden Mines during the California Gold Rush in 1848. The Spanish conquerors in the Americas obtained cinnabar from the mercury deposits at Huancavelica in Peru to extract gold. As a liquid, the mercury would dissolve gold that could be recovered through distillation of mercury. The metal was widely used by the ancient people as a liquid to extract gold from the sediment of rivers. The early humans used cinnabar (mercury sulfide) to decorate the caves in France and Spain with paintings during the Paleolithic era about 30,000 years ago. Who discovered it: The element was probably discovered thousands of years ago and used by the ancient people in India, China, and Egypt, as it has been found in trace amounts in the 3500-year-old Egyptian tombs. Origin of its Name: It is named after ‘Mercury’, the fastest planet in the solar system to revolve around the Sun while its chemical symbol is derived from ‘hydrargyrum’, Greek for “liquid silver” Temperature and Pressure Free online calculator - figures and tables with viscosity of water at temperatures ranging 0 to 360☌ (32 to 675☏) - Imperial and SI Units.And you can solve for C, the viscometer constant. Water - Dynamic (Absolute) and Kinematic Viscosity vs.pump suction flow velocity for viscous fluids. flow velocities on delivery sides of pumps in viscous systems. Feel free to contact us for any feedback. Lenntech BV is not responsible for programming or calculation errors on this sheet. Use this program to convert the units of the kinematic viscosity. Delivery Flow Velocities Recommended max. The kinematic viscosity is defined as the dynamic viscosity divided by density ( nh/r).
|
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |