How Do Dentists take X-rays? Dental X-rays are taken with you sitting upright in a chair. The dental technician will place a lead apron over your chest and wrap a thyroid collar around your neck. The X-ray sensor or film will be placed in your mouth for the picture. Do xrays hurt your teeth? Are […]
What is a fencing foil made out of?
What is a fencing foil made out of? Foils have standardized, tapered, rectangular blades in length and cross-section that are made of tempered and annealed low-carbon steel—or maraging steel as required for international competitions. To prevent the blade from breaking or causing harm to an opponent, the blade is made to bend upon impact with […]
How did hockey get invented?
How did hockey get invented? However, hockey developed from stick-and-ball games played in the British Isles, particularly hurling (Ireland), shinty (Scotland) and bandy (England). These games shared a very similar basic structure and have been documented from the 14th century. Who came up with hockey? The contemporary sport of ice hockey was developed in Canada, […]
What is the vibrating object that produces sounds in a clarinet?
What is the vibrating object that produces sounds in a clarinet? In a reed instrument (clarinet, saxophone, oboe): the reed vibrates, setting all of the air in the instrument tube vibrating. In a stringed instrument: the strings are first set into vibration, by either bowing or plucking, then air is set in motion in the […]
How does a website detect multiple accounts?
How does a website detect multiple accounts? Two people might share an IP, if they have several computers on a LAN, or their IPs are assigned dynamically. You can use a cookie to track the last username they logged in with. Then when they log in with a different name, you know the same browser’s […]
How can you invest in precious metals?
How can you invest in precious metals? Commodity Exchange Traded Funds (ETFs) Exchange-traded funds exist for all three precious metals. ETFs are a convenient and liquid means of purchasing and selling gold, silver, or platinum. Investing in ETFs, though, doesn’t give you access to the physical commodity, so you don’t have a claim on the […]
What is the meaning behind the Green Bay Packers name?
What is the meaning behind the Green Bay Packers name? The Green Bay Packers were founded in 1919, and they took their name after Curly Lambeau, the company’s shipping clerk, got money for the jerseys and use of the company’s athletic field from the owner Frank Peck. When did the Packers get their name? 1921 […]
Is Java an operating system?
Is Java an operating system? The Java Platform Most platforms can be described as a combination of the operating system and underlying hardware. The Java platform differs from most other platforms in that it’s a software-only platform that runs on top of other hardware-based platforms. The Java platform has two components: The Java Virtual Machine. […]
How do you use a litmus paper pregnancy test?
How do you use a litmus paper pregnancy test? This test involves putting a drop of fluid obtained from the vagina onto paper strips containing Nitrazine dye. The strips change color depending on the pH of the fluid. The strips will turn blue if the pH is greater than 6.0. A blue strip means it’s […]