So you’re at a family event. You meet your grandfather’s brother’s son’s son . What do you call him, in relation to you? You navigate the family relationships in your mind. What a maze.
Your grandfather’s brother is your granduncle. His son is your First Cousin Once Removed. And his son is your Second Cousin. What does “once removed” mean? What’s the difference between first cousin and second cousin? Who even created this system anyway?
Ok back to your family event. You don’t have a cousin chart in your back pocket – But don’t worry. You can still calculate cousin-hood the fast way. Here’s how:
Most people know who their first cousin is. It’s the child of your aunt or uncle. But not many people know what a second or third cousin is. To understand, think of the generic word “cousin” as a someone who shares a common grandparent.
That’s why he’s your second cousin. Continue reading
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The most exciting part:
* The average of the rotational speed of both wheels equals the input rotational speed of the drive shaft. *
Increasing the speed of one wheel is balanced by the decrease in the speed of the other wheel. Watch the full video to see how a differential rotates your drive wheels at different speeds.
HOW TO CHANGE A TIRE
Disclaimer: The following are general principles. Always refer to your car owner’s manual for specific instruction on locating your jacking point and changing a flat tire. Also, it’s good to regularly check the air pressure in your spare tire whenever you do an oil change because you never know when you’ll get a flat tire. Lastly, make sure to respect the speed limit written on your spare tire because a spare tire isn’t like a standard tire.
What if you blow a tire at a place where even AAA won’t come? Follow these steps to safely and easily change a flat tire.
PULL OVER & SETUP
When you get a flat tire:
* Turn on your hazard lights.
* Pull over and park at a safe place with a level ground.
* Engage your parking brake. (Or if you have manual transmission, leave it on 1st gear.)
* Put a heavy object, like a large rock or brick, in front and behind the wheel diagonally across the flat tire. This will help prevent the car from slipping.
Now we’ll need 3 basic supplies. Most trunks carry a spare tire, jack, and lug wrench.
* Feel underneath the car, near the wheel with the flat. Usually there is a jacking point on the flat lip that runs along the side of your car. We’ll need to position the jack at the jacking point.
* Turn the jack clockwise so that it expands upward and touches the bottom frame of your car. But don’t lift the car yet … Because first we need to loosen the lug nuts while the car is still on the ground. We don’t want the car to fall from the jack, which can happen when you use force to unloosen the lug nuts.
1. PARTIALLY LOOSEN THE LUG NUTS
* The lug nuts might be visible or concealed behind a hub cab.
* Use the lug wrench to loosen the lug nuts partially. Do not remove them completely. Continue reading
Banks use security features to deter fraud. The features vary with each bank. But here are examples of some of the commonly used features:
• You can usually find the padlock icon on the front and back. This signifies that the security features comply with industry standards.
• The letters MP indicate that the check contains Microprint. Where do you think the microprint is? The signature line is a common microprint line. It looks like a line, but when you magnify it, you’ll see it’s actually made up of superfine letters. This makes counterfeiting harder because microprint is practically impossible to reprint. In fact, if you were to try photocopy it, the line would just appear as small dots, not letters.
• You probably noticed this line has different symbols and a particular font. This is Magnetic Ink Character Recognition Line (MICR Line). Special readers can read magnetic ink, even if the line was covered by a signature or other markings.
Do you see these special symbols? These symbols are separators that tell the reader what each set of digits is. For example, this is the “Transit” symbol. This symbol always surrounds the bank’s routing number. The second symbol identifies your checking account number. The third set of numbers corresponds with your check number.
• Many checks are printed on chemically-sensitive paper. The paper reacts to chemical changes and produces a stain or spot.
• Many banks use a unique background pattern. If someone tries to photocopy a check, the colors in the copied version will appear distorted.
• Let’s examine the back of the check. The check should have the words “Original Document” on the back. Some banks use a security weave pattern that is made up of the words “Original Document”.
• The security features are always listed on the back of every check. Some checks come with higher security features. Continue reading