What type of flooring (carpet, wood, tile, linoleum, etc.) creates the most or the least friction? (Younger kids might test this by rolling a ball or toy truck over different surfaces.How do different brands of plastic wrap compare when stretched with equal force? How do different brands of duct or clear tape compare in strength and stickiness? Can you identify what factors cause one to perform better than another?.Create an experiment showing how well (or poorly) different structures or materials withstand pressure.Design an experiment using a rocket car powered by a balloon.Experiment with thrust and aerodynamic design while launching a rocket.What are the best shapes for paper airplanes? The best material for propellers?.Explore maglev technology (magnetic levitation).How could this principle be applied to real-world technology, like braking systems on roller coasters? Experiment with how magnetic and electric fields can make a magnet fall in slow motion.What types of liquid can conduct electricity? Can electricity be used to split water into hydrogen and oxygen?.What indoor and outdoor materials (such as metal poles, a window, etc.) make the best antennas for your radio? Under what conditions, such as temperature, cloud cover, and humidity, does your radio pick up the clearest signals? Can you use a magnet to find traces of iron in food, dollar bills, and other household materials?.How well does a carbon rod instead of a metal rod work as a positive electrode? Make a voltaic cell and research which household electrolytes are most effective for producing electricity.Make electromagnets with different strengths compare their magnetic fields using iron filings to find what effect they have on a compass needle and how strong their attraction is (e.g., which one can pick up the most paperclips?). ![]() How can you create it? How you can reduce it? What substances or objects are the best conductors of static electricity? Do conditions like humidity and temperature increase or decrease static electricity? ![]() – Browse our Science Fair Supplies category for more project ideas. – For tips on performing your experiment and presenting your project, see our free science fair guide. That’s why physics science fair projects make good impressions on judges. Most branches of engineering are applied physics. Physics is the basis for chemistry (the interaction of atoms and molecules).
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![]() ![]() Use in any transmission for preventative maintenance. Transmission Fix by Lucas Oil is a non-solvent formula that stops slip, hesitation and rough shifting in worn transmissions and completely eliminates most seal leaks. It provides up to 1.4x better sludge protection.Ī combines premium base oils with proprietary additives technologies to create high performance motor lubricants that optimize engine operation, gives superior protection against corrossion, helps to increase the efficiency of fuel with low coefficient of friction. GTX Ultraclean is a synthetic blend engine oil, its double-action formula has been proven to clean away sludge that block engine oil away and alsohelpmto prevent new sludge formation tank to its synthetic tecnology. ![]() Premium synthetic blend motor oil is a specially designed performanced additives to keep your engine running smoothly, ideal for engines, reduces friction during operation, and also help conserve energy and improve fuel economy. High film strength stands up to high temperature high load conditionsĮxtended performance is a patented fluid titanium technology, it helps keep metal aparts to fight power-robbing friction, providing wear protection 6x better, while protecting under extreme conditions with 10x better high temperature performance. It neutralizes and disperses combustion by-products to prevent harmful depositsĮxcellent low temperature flow properties to speed cold starts It reduces friction to extend engine life and improve fuel economy.Use also in light duty manual transmissions to increase shifting ease and transmission life. It is a non-solvent formula that stops slip, hesitation and rough shifting in worn transmissions and completely eliminates most seal leaks. Motorcraft 5w-20 Synthetic blend Motor Oil removeĠw-20 Castrol GTX Ultraclean Motor Oil 5L removeĥW-30 Royal Purple Advanced Full Synthetic Motor Oil 5L remove 15w-40 Prime Guard Diesel Heavy Duty Motor Oil removeĥw-30 Castrol Edge Extended performance Motor Oil 5L remove Importantly, they are often laden with affect, and believed to originate from external (nonself) sources. Hallucinations are often mistaken for veridical perceptions and interpreted as symbolic and personally meaningful. Visual hallucinations in the psychosis spectrum and comparative information from neurodegenerative disorders and eye disease. ![]() In schizophrenia, most hallucinations are auditory (“voices”) although hallucinations in other modalities also occur (Waters F, Collerton D, Jardri R, et al. For example, hallucinations are prominent in people with schizophrenia spectrum disorders, Parkinson’s disease (PD), and eye disease (in which they are known as Charles Bonnet Syndrome ), each showing a distinct character. The auditory and visual modalities of hallucinations are the most commonly enquired about and reported, but have a varied presentation depending on the population group in which they are studied. Here, sensory perceptions overlap with illusions and voluntary internal images, hallucinations, and dreams. There are no clear boundaries between perceptions. ![]() We marshal empirical and theoretical work to address the questions:įuzzy forms of visual experience. This task will better distinguish the characteristics and properties specific to daytime hallucinations from those that are general to sleep perceptions, and draw upon information regarding underlying mechanisms. 8 The main objective of this article is to revisit the status of perceptual experiences that occur during sleep. 5–7ĭespite these suggestions of continuity at some level, a strict dichotomy between sleep-related perceptual phenomena and hallucinations is still central to definitions of hallucinations. Lhermitte 3 elaborated further by designating the midbrain structures associated with peduncular hallucinations as the brain’s “dream centre.” Observations of sleep disturbances in clinical disorders associated with hallucinations (eg, schizophrenia and Lewy body disorders) also prompted suggestions of a common aetiology for both dreams and hallucinations, 4, 5 and the notion that hallucinations may be the results of “rapid eye movement (REM) intrusions” of visual imagery into wakefulness. The French researcher, Alfred Maury, 1 noted a continuum of form and cause between dreams and hallucinations, and the English neurologist, John Hughlings Jackson, 2 argued that strong “sensory discharges” were likely a common mechanism of dreams and hallucinations. The similarities to “daytime” hallucinations received much scrutiny over the centuries. Philosophers and scientists have long been fascinated by perceptual phenomena occurring around and during sleep, such as the hypnagogic and hypnopompic hallucinations on the borders of sleep and the dreams and parasomnias of sleep. In summary, both phenomena are non-veridical perceptions that share some phenomenological and neural similarities, but insufficient evidence exists to fully support the notion that the majority of hallucinations depend on REM processes or REM intrusions into waking consciousness. Key differences remain however: (1) Sleep-related perceptions are immersive and largely cut off from reality, whereas hallucinations are discrete and overlaid on veridical perceptions and (2) Sleep-related perceptions involve only a subset of neural networks implicated in hallucinations, reflecting perceptual signals processed in a functionally and cognitively closed-loop circuit. Findings show that sleep-related experiences share considerable overlap with hallucinations at the level of subjective descriptions and underlying brain mechanisms. In the current article, we make detailed comparisons between sleep-related experiences and hallucinations in Parkinson’s disease, schizophrenia and eye disease, at the levels of phenomenology (content, sensory modalities involved, perceptual attributes) and of brain function (brain activations, resting-state networks, neurotransmitter action). With our recent understanding of hallucinations in different population groups and at the neurobiological, cognitive and interpersonal levels, it is now possible to draw comparisons between the 2 sets of experiences as never before. These observations have prompted researchers to suggest a common aetiology for these phenomena based on the neurobiology of rapid eye movement (REM) sleep. ![]() Yet similarities to sleep-related experiences such as hypnagogic and hypnopompic hallucinations, dreams and parasomnias, have been noted since antiquity. By definition, hallucinations occur only in the full waking state. ![]() Like steel structures, those made from titanium have a fatigue limit that guarantees longevity in some applications. Machining requires precautions, because the material can gall unless sharp tools and proper cooling methods are used. Titanium is not as hard as some grades of heat-treated steel it is non-magnetic and a poor conductor of heat and electricity. However, titanium loses strength when heated above 430 ☌ (806 ☏). Certain titanium alloys (e.g., Beta C) achieve tensile strengths of over 1,400 MPa (200,000 psi). Titanium is 60% denser than aluminium, but more than twice as strong as the most commonly used 6061-T6 aluminium alloy. Ĭommercially pure (99.2% pure) grades of titanium have ultimate tensile strength of about 434 MPa (63,000 psi), equal to that of common, low-grade steel alloys, but are less dense. Titanium is superconducting when cooled below its critical temperature of 0.49 K. It is paramagnetic and has fairly low electrical and thermal conductivity compared to other metals. The relatively high melting point (1,668 ☌ or 3,034 ☏) makes it useful as a refractory metal. It is a strong metal with low density that is quite ductile (especially in an oxygen-free environment), lustrous, and metallic-white in color. Characteristics Physical propertiesĪs a metal, titanium is recognized for its high strength-to-weight ratio. There are two allotropic forms and five naturally occurring isotopes of this element, 46Ti through 50Ti, with 48Ti being the most abundant (73.8%). In its unalloyed condition, titanium is as strong as some steels, but less dense. The two most useful properties of the metal are corrosion resistance and strength-to-density ratio, the highest of any metallic element. Titanium can be alloyed with iron, aluminium, vanadium, and molybdenum, among other elements, to produce strong, lightweight alloys for aerospace ( jet engines, missiles, and spacecraft), military, industrial processes (chemicals and petrochemicals, desalination plants, pulp, and paper), automotive, agriculture (farming), medical prostheses, orthopedic implants, dental and endodontic instruments and files, dental implants, sporting goods, jewelry, mobile phones, and other applications. Other compounds include titanium tetrachloride (TiCl 4), a component of smoke screens and catalysts and titanium trichloride (TiCl 3), which is used as a catalyst in the production of polypropylene. The most common compound, titanium dioxide, is a popular photocatalyst and is used in the manufacture of white pigments. The metal is extracted from its principal mineral ores by the Kroll and Hunter processes. The element occurs within a number of minerals, principally rutile and ilmenite, which are widely distributed in the Earth's crust and lithosphere it is found in almost all living things, as well as bodies of water, rocks, and soils. ![]() Titanium was discovered in Cornwall, Great Britain, by William Gregor in 1791 and was named by Martin Heinrich Klaproth after the Titans of Greek mythology. ![]() Found in nature only as an oxide, it can be reduced to produce a lustrous transition metal with a silver color, low density, and high strength, resistant to corrosion in sea water, aqua regia, and chlorine. Titanium is a chemical element with the symbol Ti and atomic number 22. It's important to remember that the FDA does not recommend sunscreen for babies under six months old. when the sun is at its strongest, and also wear protective clothing such as rash guards, hats, and UV protection sunglasses when outside. Lakdawala recommends that, in addition to using sunscreen, children should stay out of the sun, especially between 10 a.m. "Although sprays might appeal to families with small children who don't like to sit still, it is difficult to apply enough of it to provide adequate protection, and there are also inhalation concerns," she says.ĭr. ![]() ![]() "You should ideally choose mineral-based sunscreen products containing zinc oxide or titanium dioxide, which are both considered safe and effective by the FDA," says Burns, who helps produce the EWG annual guide to sunscreens, which this year featured over 1,850 formulations, to help consumers find safer, more effective products.īurns also recommends sticking to lotions or sticks. Nikita Lakdawala, MD, a board-certified pediatric dermatologist at NYU, advises using broad spectrum sunscreen that provides UVA and UVB coverage with an SPF of 30 or higher. For babies and others with sensitive skin, the American Academy of Dermatology (AAD) recommends opting for mineral-based products. So what should you do when choosing a sunscreen? First, check the ingredients on the packaging and cross-check it with EWG's list of the safest (and most harmful) options for your family. The EWG recommends avoiding oxybenzone altogether because it is a known hormone disruptor and is associated with health issues. Some of these examples include avobenzone, oxybenzone, octocrylene, homosalate, octisalate, and octinoxate. With chemical sunscreen, the active ingredients absorb UV light and also absorb into your skin. The active ingredients are usually less irritating than chemical sunscreens, which also makes them good for sensitive skin, eczema, and skin allergies. Mineral sunscreens are physical blockers that stay on the surface of the skin and protect it by deflecting the sun's rays. Of course, the main way to protect kids from sun exposure is by applying sunscreen, but according to Carla Burns, research analyst for the Environmental Working Group (EWG), many sunscreen products don't provide sufficient UV protection or contain potentially harmful ingredients that are best to avoid.įor starters, there are two main types of sunscreen you will find on shelves: mineral and chemical (although there are a few hybrids that contain both minerals and chemicals). ![]() In fact, according to Centers for Disease Control and Prevention (CDC), just a few serious sunburns can increase your child's risk of skin cancer later in life. Not only is getting a sunburn painful, too much sun exposure can also cause premature aging and potentially lead to skin cancer. ![]() When summer is in full swing, your kids are likely begging to hit the pool or the beach, so it's important to protect their skin from the sun's burning rays. ![]() Double-check that your hair meets the length requirements. Make sure to cut straight across and avoid any jagged edges. Cut your hair: Use sharp scissors to cut your hair above the elastic band or hair tie.Some organizations provide donation kits that include instructions and postage-paid envelopes, while others may require you to send your hair directly to their headquarters. Contact the hair donation organization: Contact the organization of your choice and find out how to send your hair.Here is a step-by-step guide on how to donate your hair: Once you have prepared your hair for donation and chosen a reputable hair donation organization in the UK, you are ready to start the hair donation process. However, if you are under 16, you may need parental consent to donate your hair. There is no age limit for hair donation in the UK.Dreadlocks: Some hair donation organizations in the UK accept dreadlocks, as long as they are clean and meet the length requirements.Hair extensions: Some hair donation organizations in the UK accept hair extensions, as long as they are made of human hair and meet the length requirements.Natural hair: All types of natural hair, including straight, wavy, curly, and coily hair can be donated.Dyed or bleached hair can be donated as long as it is in good condition.Hair must be clean, dry, and in good condition.Hair must be at least 7 inches (17cm) long.In the UK, anyone can donate their hair, provided it meets certain requirements. ![]() Hair donation is a wonderful way to help people who have lost their hair due to cancer treatment. Variety called it "satisfying entertainment despite its length and seemingly downbeat subject." Accolades AwardĪ 1975 British documentary series called The Explorers on the BBC featured the Australian expedition story in the episode titled Burke and Wills. The DVD has no menu on the disc and the film is presented in its original 2.35:1 widescreen format. Umbrella Entertainment used the re-mastered version of the film produced by the National Film and Sound Archive (Australia) as part of the sesquicentenary activities in 2010 the sound was left as 2-speaker stereo. Although released in Australia on the PAL format, the disc is region free. The film was released on DVD in 2014 through Umbrella Entertainment. The film was released on laserdisc in the USA (UPC: 08258902146). The film was released on VHS Video in Australia by Charter Entertainment in 1987 and released in the USA on 26 October 1988 by Nelson Entertainment. The film was released in the US but also performed disappointingly there. Jonathan Chissick later said "people in Australia were just not interested in seeing a picture about these two guys dying in the desert." It opened in other Australian cities on 7 November 1985, was shown at the 1986 Cannes Film Festival in May, the Toronto Film Festival in September 1986 and was released worldwide in early 1986.īurke & Wills performed disappointingly, grossing $1,567,000 at the box office in Australia, (which is equivalent to $3,729,460 in 2009 dollars). The film premiered in Melbourne on 2 November 1985 before Prince Charles and Lady Diana the first Australian Royal Premiere. Painter Sidney Nolan came out on set and was the film's official painter. Additional filming was completed in England some months later. Many of the original locations were used, such as Coopers Creek, because Clifford thought it was important to be as authentic as possible. įilming started in September 1984 and took 13 weeks. After seeing Chariots of Fire, he wanted Nigel Havers to play Wills, a decision opposed by Actors Equity, but this was overturned at arbitration. The budget would be particularly high because of Clifford's insistence at filming along the actual path of the expedition.Ĭharlton Heston was once interested in playing Burke but Clifford says he only ever envisioned Jack Thompson in that role. ![]() However, he received support from Hoyts-Edgley who agreed to finance. Ĭlifford then went to make his first feature, Frances and discovered that Greater Union's enthusiasm for the film had cooled. Early financial assistance was provided by David Williams of Greater Union. This did not work out so Clifford then hired a fellow Australian expatriate, Michael Thomas, to write a screenplay. ![]() ![]() He was interested in making a film about the Burke and Wills expedition and in 1978 approached EMI Films, who had commissioned a script from Terence Rattigan based on the story. Graeme Clifford was an Australian who had become a leading editor in Hollywood and had moved into directing. Peter Collingwood as Doctor William Wills. ![]() The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. The cookies is used to store the user consent for the cookies in the category "Necessary". ![]() The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. It works only on Windows 10 running on Apple iMac through Boot Camp. There are three settings – automatic control of fan speeds by DrFan, manual control through DrFan or let Apple handle the fan speeds which is also the default setting.ĭrFan cools your system without compromising the system performance and prevents Apple from throttling your CPU or GPU speeds. How it controls the fan speeds can also be configured. As soon as the system temperature crosses these limits, DrFan jumps into action and controls the fan speeds. For example, you can set the CPU temperature limit and the GPU temperature limit. This is a different approach to cooling your system compared to slowing down your CPU or GPU clock frequencies.ĭrFan sits in the Windows system tray and from there you can control various limits. Using the DrFan software, you can ramp up the fan speeds of your Mac and thus cool the system in that manner. When iMac gets a little bit hot, the system is designed to lower the temperature by bringing down the clock frequency of the CPU or GPU but this slows down the system performance itself. Through this software you will be able to have much better control over the system fan speeds of your computer. This software is specially designed to run on Windows 10 running through Boot Camp on an iMac. If you also have installed Windows 10 on your iMac then you may want to use DrFan software that can control and show the fan speed of your iMac. This is supported on many Mac models like MacBook, MacBook Air, MacBook Pro, Mac Mini, iMac, iMac Pro and Mac. But it is not same as installing Windows directly on your hard drive as it is accessed through special drivers installed by Boot Camp. Once you have installed Windows 10 through Boot Camp, you will be able to choose between Windows 10 and Mac OS as you please. Apple allows you to install Windows 10 on your Apple Mac with the help of Boot Camp. Fixed an issue that caused Snagit Editor to freeze when dragging images from a web browser onto the canvas.Fixed a crash that could occur when Snagit displayed a message while in Full Screen mode.Fixed an issue that sometimes caused SnagitHelper (Capture) to crash and the Snagit icon to disappear from the menu bar.Removed the Resize Canvas option on macOS 11 Big Sur.Updated the Share to Slack window to exclude Direct Message recipients no longer in the selected Slack workspace.Added HEIF as a file format option in the Save As dialog. ![]()
Update your flair using the "edit" link at the top of the sidebar.Your #1 Choice for Trusted Town Car Service in Seattle & Bellevue.See the wiki for answers to frequently asked questions, such as how to move to Seattle, how to get around, and what to do when you're here.Please create a self post and then message the moderators. ![]()
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