Category: Contributing

Can P20 be hardened? While 50-plus HRc hardness is available from the base steel, P20 can be case hardened to the high 50’s HRc and readily nitrided to 60HRc if hard- ness plus corrosion resistance is needed. What type of steel is P20? P20 Mold Steel is a versatile, low-alloy tool steel that is characterized […]

Can I downgrade my iOS version? In order to downgrade to an older version of iOS Apple needs to still be ‘signing’ the old version of iOS. If Apple is only signing the current version of iOS that means that you can’t downgrade at all. But if Apple is still signing the previous version you […]

How does a vortex cooling tube work? A vortex tube creates cold air and hot air by forcing compressed air through a generation chamber, which spins the air at a high rate of speed (1,000,000 rpm) into a vortex. The slower moving air gives up energy in the form of heat and becomes cooled as […]

What is hypothetical categorical syllogism? Hypothetical syllogisms are short, two-premise deductive arguments, in which at least one of the premises is a conditional, the antecedent or consequent of which also appears in the other premise. What is the difference between categorical syllogism and hypothetical syllogism? An unconditional conclusion. Rather than having three terms as categorical […]

What is C. Wright Mills power elite theory? Sociologist C. Wright Mills used the term power elite to refer to his theory that the United States is actually run by a small group representing the most wealthy, powerful, and influential people in business, government, and the military. What is meant by the term power elite? […]

What chakra rules the colon? A blocked root chakra can manifest as physical issues like arthritis, constipation, and bladder or colon problems, or emotionally through feeling insecure about finances or our basic needs and well-being. When it’s in alignment and open, we will feel grounded and secure, both physically and emotionally. What do you feel […]

What are hydrostatic forces? Hydrostatic forces are the resultant force caused by the pressure loading of a liquid acting on submerged surfaces. The center of pressure is a point on the immersed surface at which the resultant hydrostatic pressure force acts. What is the application of hydrostatic? In applications, the principles of hydrostatics are used […]

Can you connect to S3 via FTP? The first option is using Amazon’s AWS Transfer Family, a fully managed service that allows file transfers directly into and out of Amazon S3. With this option, you can FTP/SFTP access all your files to AWS S3. This last option gives you more flexibility and control but requires […]

How do I change my default PDF reader in Windows 8? Step 1: Right-click (see how to right-click on a touch-screen) on a PDF file. Step 2: Click or tap Open with and then click or tap Choose default program. Step 3: Select Adobe Reader from the list to set Adobe Reader as your default […]

Can sensors detect movement? A motion sensor, or motion detector, is an electronic device that uses a sensor to detect nearby people or objects. Motion sensors are an important component of any security system. When a sensor detects motion, it will send an alert to your security system, and with newer systems, right to your […]