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Bogart

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Bogart last won the day on February 9 2018

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  1. In my previous blog post, I discussed the overall interface you'll be using in Kerbal Space Program. If you don't know what you're doing, I recommend reading that first before continuing on with this post. Before I even start with actual designs of rockets, I'm going to teach you how to build quickly and efficiently. To start, you'll need to place down a part. Keep in mind that the first part you place down is the part you're going to have to build off of. Whenever you pick up this part, you will pick up your entire rocket. Whenever you pick up a part connected to this part, it will
  2. I wasn't here at all last week during APs, so I have no idea how well prepared everyone is. The next few blog posts I'm going to make will be some simple lessons on how to play Kerbal Space Program, since I have had... some experience. That's a clip from my steam profile, and although I haven't really played in about a year or so (Ignore the fact that it says "Last Played: Today", I was getting some pictures to use in this post), I still remember how everything works. Mostly. So let's start with just the very basics: the interface. When you first start, it can be pretty ove
  3. If you haven't read my last 2 blog posts, you should. They both directly relate to what I'm talking about in this one. Alternatively, if you have even the slightest understanding of fluid dynamics, you don't need to read my last 2 posts. In reality, if you've never even thought about fluids, you don't need to read my last 2 posts, because this is actually pretty simple, especially when compared to what we've done in class this year. Right now, our goal is to get fluid from one cup into another. We could just pick up one cup and pour it into the other, but that's boring, and not
  4. The system above shows a cylinder with a small diameter (Gutter) connected to a cylinder with a larger diameter (Barrel). The force due to gravity by the liquid in the small cylinder is less than the force due to gravity by the liquid in the larger cylinder, since there's much more liquid in the larger cylinder. Shouldn't this make the liquid in the small cylinder rise, until the forces equal each other out? In reality, no. The fluids in a system always like being at the same height. This made absolutely no sense to me until I decided to look it up, and found out that it actually isn't th
  5. Everybody on the planet probably knows this simple trick. All you do is take a straw, submerge part of it inside of a liquid, cover the top hole of it with your finger, then take it out, and voila! The liquid stays inside of the straw rather than draining out, as gravity intended. But how does it work? It's actually pretty simple, but most people don't really think about it. If you just stop reading for a minute and really just think, you'll figure it out. I didn't just make this post to tell you to think. This is for a grade, so I need to put at least some effort into it.
  6. Last week I made a blog post about how muzzle brakes on a firearm help reduce vertical recoil by venting the pressurized gas horizontally outside the barrel. But that still leaves the question as why vertical recoil still occurs. Obviously it isn't perfect, but human error can't be the only factor to why firing a gun lifts the barrel upwards. Funnily enough, we've actually talked about this in class. It's just a simple torque diagram. Firearms are designed with the grip of the gun placed below the barrel. Because of this, whenever the gun is fired, the force pushing the firearm back
  7. A muzzle brake is a firearm attachment that extends the barrel of the gun. Below is a picture of a muzzle brake. The point of a muzzle brake is to help increase accuracy by reducing vertical recoil when fired. It does this by venting out the gas horizontally in the muzzle brake, rather than letting it spread out in all directions as the bullet exits the barrel. When fired, a large amount of pressurized gas is created within the barrel, and immediately tries to escape, launching a bullet one way, and the gun back. When the gas reaches the muzzle brake, it has its first chance to fully
  8. Bogart

    Viscosity

    You prefer Waffles over pancakes?
  9. NASA wanted their space shuttle program to be completely reusable. Sadly, due to budget cuts, only the actual shuttle was reusable, and the boosters were ditched. On the other hand, Space X wanted to save as much money and as many resources as they could. On the right is a picture of Space X's Falcon Heavy rocket, designed to, as the name suggests, lift a large payload into space, and on the plus side, at a much cheaper cost than before. On the left is a clip of the two "small" side boosters landing simultaneously after the Falcon Heavy's test flight yesterday. Sadly, the main booste
  10. On the left is Gav. On the right is Dan. They are the Slow Mo Guys. As you can probably tell, they make YouTube videos of stuff in really slow motion, and are probably my favorite YouTube channel to watch. Not only is some of the stuff that they do really cool, but they're also quite entertaining. They're both British, and in the past few months, have sadly not been releasing that much content. But very recently, they revealed that they had teamed up with YouTube, and were given a much more "professional" show, so they're going to be releasing a lot more content, much quicker than they us
  11. Let's say that you're at IHOP, and you ordered a nice pancake. Or, if you're one of them, then you ordered a waffle. Despicable. Anyways, when your delicious meal arrives, you reach over for the syrup container, and spread it over your meal. Every time, the syrup will spill out, and slowly spread out, as shown below. Most simpletons would describe the liquid as "thick." A less "thick" liquid, such as water, would rapidly spread, ruining your meal. This property is called, as you can probably guess from the title, viscosity. It is the measure of a fluid's resistance to gradu
  12. Look at this picture, because there is something horribly, horribly wrong with it. See it yet? It isn't the fact that there's a child shooting, and it isn't the fact that she's shooting in a backyard. It's the fact that she's shooting at targets on a fence, with nothing to stop the bullet behind it. There's a house there: Glass could break, and people could get injured. Maybe their television or their car will be destroyed. This picture comes from a tweet of somebody teaching their daughter how to shoot. The worst part about it is that he even says "teach 'e
  13. If you look real close, you can see that the shotgun won't function anymore. This is what the muzzle looks like after the shot. Now, if you don't know firearms, that isn't good. At all. And that isn't even mentioning the sharp metal bent backwards, which could stab you in the head if you tried to fire this. THIS is why you don't obstruct a firearm when firing. THIS is just one reason why you clean your gun often. Obstructions can significantly alter aim, or completely destroy a firearm and mutilate its user. If you're going to buy or shoot a firearm, just know what you're d
  14. There is one massive issue that I've noticed with this demonstration: that car wouldn't be able to tow anything. If it was an truck, van, or even SUV... It'd depend on the size of the trailer. Anyways, this could be the difference between life and death, especially when you add in malfunctioning parts, bumpy roads, high winds, ice, larger turn radii, and the leading factor of road accidents: bad drivers (I would know, I'm one of them). Whenever you move, there are reasons that you put all of the big stuff in the back (The "back" being the end that hitches to the car/truck) of a U-Hau
  15. Cats have evolved to be the ultimate being. They have evolved to disprove somebody when they say "Nothing living can do that." Surely you've heard that "cats have 9 lives." Let's take a quick look at the cat. As you can see, this is a cat. Fluffy, adorable, evil little thing. It looks harmless. It looks "cute." You wouldn't want to harm it, and you think it wouldn't harm you. But that's where you're wrong. Those paws have hidden claws in them, and whenever the cat wants, it can take them out and demolish their prey. Cats are also usually really quick. Some can run almost 30 mph.
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