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[Music] what a year this has been for Brookfield athletics taking home not won the two state championships and as if that isn't enough also being recognized nationally as a special olympics unified champion school unify scores is having students with some without disabilities coming together to play for together I'm basically like a partner and so basically we just help everyone make shots and a great time what did this award mean to you and your team I did under me doing great I'm very athletic and pride is something that can be seen not only in the faces of the student-athletes but in their coaches as well I think it's so great because muirfield we've always had my students here and here's an opportunity for them outside of the classroom to get together on the sports field and really come together play together learn the rules and just see a lot of students interact with each other what did it mean to you and this team to get this recognition oh it's so great it just felt like everyone did their part and everyone was just so happy to be there and we just all like get our best but hopefully there will be no end to this recognition as long as Brookfield high school has a unified sports team that participates in two sports seasons demonstrates inclusive youth leadership and whole school engagement then they will be adding future stickers to this banner that will be hanging within the walls of Brookfield high school with pride what you go home and tell your parents about winning this award they're so proud of me I've seen it a lot on like social media everyone's like oh wow great job like you're doing great congratulations Brookfield high school designated special olympics unified championship school for 2016 2017 you
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[Music] Welcome parents, guardians, and community members. Here we are, teacher María López González, who will now talk to us about another tool we can use to manage our emotions. Teacher, welcome, thank you. Today we are going to talk about the tool of a calm and safe place. In the toolbox, there are two tools, and this is number 2. The order doesn't matter because the first three are the foundation. So, last week we talked about the breathing tool, and today we are going to talk about the tool of a calm and safe place. What is the purpose of having this calm and safe place? It helps us to relax in stressful moments that can happen at any time in our lives. We should have a physical place where we can go, even to the ocean, and be at peace and find it. This is a moment to breathe deeply, alone.
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And if we don't have that physical place, we have to find it in our minds. Perhaps we haven't thought about this, but perhaps we can think now that this place makes me feel at peace, that I manage to feel calm and tranquil. What are the benefits of being calm, serene, and feeling safe, especially for children? What are the benefits of this? Well, it helps us to Focusing again is very much about focus in class, and if they're not focused, they can't learn. So, focusing helps us have good relationships with friends and teachers because sometimes we're angry about something that happened, or maybe we tried to bring it into class. We need that time to calm down and rebuild the relationship that we may have damaged a little. But first, we need to calm down and be at peace. I also want to show you the symbol for this tool: earmuffs, like the ones carpenters use to block out sounds.
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That helps us focus. What do earmuffs do? We don't make a symbol like that, because then the children can't hear us. Instead, we make a symbol with our hands, close our eyes, and imagine ourselves in a peaceful place, whether it's the beach, the mountains, or the forest—wherever you feel calm and relaxed. Close your eyes to put yourself in that place. And parents can do this too. They can also practice this tool at home, right? Yes, of course. Everyone can take some family time to relax. Perhaps it could be the morning before going to work or school, before doing anything, and finding that quiet place to start our day in a positive way. Or it could be when we get home, tired and stressed, and finding a moment. You can ask your children to explain what the " quiet place" tool is and practice it at home.
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There's something else to add to this topic of a quiet and safe place. I want to leave you with the message that by teaching this tool of finding a quiet and safe place, we are teaching our students tenacity. Because maybe the day isn't going very well, or something is happening, and it teaches us not to give up and to keep going. It's about finding our moment of tranquility and continuing, not just saying, "I can't do it." And this will help us develop other skills, skills that are very important. Thank you so much, teacher, for this information. Thank you for your attention, and I hope we can put this information into practice, as we do here in schools, but also in our homes, so that it benefits everyone. Thank you so much, teacher, and I hope you see us again. Join us next week and until next time, thank you very much.
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[Music] for years the fabled beast of Tech has been the bogeyman of our school uses a tool to keep students in line but does it actually exist last year Eric wolf attempted to prove this base existence this footage is all the remains of that day hi I'm Eric wolf and I'm going to be on my mysterious quest for the Beast of Cape May tech legend says it has the head of a horse and the body of a human so I'm going to find this thing and prove that the legend is true Oh left the door open well who could that have been I could assume I was here by myself okay so I'm just leaving the classroom now and there's obviously something in the school with me wait what is that oh my god is there something else in here with me well there's nothing now what's that noise sounds like something's coming from the cafeteria I don't have to go check it out I followed all evidence to this location so whatever is in here with me today is in the cafeteria [Music] oh my god there it is wait a minute I also remember that the PCs carnivorous my god hopefully it hasn't seen me yet excuse me it'll surely attempts to eat me will it seems like the Beast hasn't captured me I just hope it doesn't see me anymore okay so I just came from the cafeteria and the Beast was right behind me now I'm not sure if it's behind me or not but it was right there I think I lost it though so I think I'll be safe wait a second [Music] I have a very bad feeling about this very bad feeling I don't know where it is Oh No oh my god the Beast was right behind me Oh No what could that be oh my god no trace of Erick was ever discovered was this for the trail did the beasts really stalk him on that fateful day if so No [Music] [Applause] children have you ever met the bogeyman before no of course you happen for you're much too good I'm sure [Music]
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[Music] hi I'm Rebecca and I'm in my RIT studio and I wanted to talk to you today about Color Remover it is another one of our favorite products Color Remover is actually a non-chlorine bleaching agent that can remove stains and color from projects as well as take color completely out so that you have a fresh palette to die from if you want to take a project that you didn't love so much or you just have a shirt that you want to change the color of then we recommend the stove top method and this is where I heat up my water pour my color remover right into the pot and then I basically put my shirt in there or pants or whatever I'm removing the color from for 30 minutes and get the color out and then I start fresh with a new d project so what do you think the color remover took out almost all the color I really didn't need to get all of it out I just wanted to get it neutral enough so that I could now do a new ombre project and so the next time you see this hopefully it'll be the perfect ombre blue happy dying [Music]
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the time spent in the hallways should be used to get necessary items from your locker and to travel to your next class this is also the time to use the restroom if you need to while walking in the halls be sure to walk on the right side of the hallway to avoid congestion please walk directly to your destination if you are talking with a friend in the hallway you should walk while you talk so that you may avoid being late to your next location you will want to ensure that your volume is low and that you keep all hands and feet to yourself while at your locker be respectful of the students around your area there may be several students needing to get to their lockers at the same time as you please be aware that they have the same intent as you to get their things quickly and to get to their next class if you choose to use the restroom please abide by the rules posted outside of the restroom use the restroom wash your hands and exit do not linger in the restroom area if you follow these guidelines you will be able to get to class on time while ensuring a safe environment for all students
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at your designated lunchtime during the school day your teacher will instruct you that it is time to go to the cafeteria your teacher will ask you to assemble in an orderly fashion as you exit the classroom as you walk down the hallway remember to keep to the right of the hallway and to stay with your class as you enter the cafeteria you will choose a seat at any table you would like this will be your seat for that lunch period you will be allowed to choose a new seat the next day unless your behavior does not allow for you to do so a supervisor will dismiss you from your seat one table at a time when you are dismissed please walk to the serving line you are directed to once you get your tray and exit the serving line you will then proceed to walk back to the same seat you were dismissed from appropriate behavior is expected at all times during your lunch please be sure to keep all food on your tray and not to touch others food you will be required to clean up all messes made and to pick up all trash at your seating area should you need to get out of your seat for reasons such as to get a napkin or use the restroom you will simply just point to the area you need to go you will then wait for a supervisor to dismiss you before getting out of your seat when your lunch time ends your teacher will come to the cafeteria you will then wait for your teacher's name to be called and you will then line up to exit with your teacher as you leave the cafeteria please be sure to keep your volume low and follow all directions from your teacher you
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foreign at the end of the school day all students will be directed as to which door they should exit the building if you ride a bus you will walk towards the front of the building exit at the appropriate door stay on the sidewalk and board the bus that takes you home if alternate travel arrangements for you are necessary the office must be contacted by a parent before the end of the school day as students safety is our number one priority for all students appropriate behavior is expected while on school grounds and on the bus ride home thank you if you are a car rider after school you will go to the gym at the end of the day and exit through door 10. a supervisor at that door will help direct you to your vehicle foreign if you stay after school for the YMCA program you should report directly to your supervisor located in the cafeteria any student staying after school with the boys and girls club should report directly to the gym thank you
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foreign bus in the morning all students will walk along the sidewalk and enter through door one in an orderly fashion upon entering the building fourth and fifth grade students will turn left and walk towards the fourth and fifth grade academic wings while sixth grade students will walk up the stairway directly to their right thank you if you are a car rider in the morning you will get dropped off in the back of the building at door 10. please do not have your parents drop you off in the front of the building by the buses as this creates a safety issue for you and others foreign upon entering Mis in the morning you will need to go to your locker and then report directly to your first class you will want to make sure the items in your locker are neatly organized so that you can stay prepared and ready for your classes all personal items like iPods cell phones hats and coats should be placed in your locker before your first class these items should remain in your locker until the end of the school day or unless otherwise instructed by a staff member lockers should be kept clean and free of any tape or stickers please do not place these on the inside or outside of your locker remember the expectation is that you are ready to learn as soon as you enter the building foreign
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with [Music] very nice [Music] I [Music] my just [Music] very much oh well no [Music]
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[Music] Hi, my name is Mia Gil-Epner. I’m majoring in computer science at UC Berkeley, and I work for the Department of Defense, where I try to keep information safe. The internet is an open and public system. We all send and receive information over shared wires and connections. But even though it’s an open system we still exchange a lot of private data, things like credit card numbers, bank information, passwords, and emails. So how is all this private stuff kept secret? Data of any kind can be kept secret through a process known as encryption, the scrambling or changing of the message to hide the original text. Now decryption is the process of unscrambling that message to make it readable. This is a simple idea, and people have been doing it for centuries. One of the first well-known methods of encryption was Caesar’s Cipher, named after Julius Caesar, a Roman general who encrypted his military commands to make sure that if a message was intercepted by enemies, they wouldn’t be able to read it.
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Caesar’s Cipher is an algorithm that substitutes each letter in the original message with a letter a certain number of steps down the alphabet. If the number is something only the sender and receiver know, then it’s called the key. It allows the reader to unlock the secret message. For example, if your original message is “hello,” then using the Caesar’s Cipher algorithm with a key of 5, the encrypted message would be this. To decrypt the message, the recipient would simply use the key to reverse the process. But there’s a big problem with Caesar’s Cipher. Anybody can easily break or crack the encrypted message by trying every possible key. In the English alphabet, there are only 26 letters, which means you’d only need to try at most 26 keys to decrypt the message. Now trying 26 possible keys isn’t very hard. It would take at most an hour to do. So let’s make it harder.
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Instead of shifting every letter by the same amount, let’s shift each letter by a different amount. In this example, a 10-digit key shows how many positions each successive letter will be changed to encrypt a longer message. Guessing this key would be really hard. Using 10-digit encryption, there could be 10 billion possible key solutions. Obviously, that’s more than any human could ever solve. It would take many centuries. But an average computer today would take just a few seconds to try all 10 billion possibilities. So in a modern world where the bad guys are armed with computers instead of pencils, how can you encrypt messages so securely that they’re too hard to crack? Now too hard means that there are too many possibilities to compute in a reasonable amount of time. Today’s secure communications are encrypted using 256-bit keys. That means a bad guy’s computer that intercepts your message would need to try this many possible options until they discover the key and crack the message.
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[Music] Even if you had a hundred thousand supercomputers and each of them was able to try a million billion keys every second, it would take trillions of trillions of trillions of years to try every option, just to crack a single message protected with 256-bit encryption. Of course, computer chips get twice as fast and half the size every year or so. If that pace of exponential progress continues, today’s impossible problems will be solvable just a few hundred years in the future, and 256 bits won’t be enough to be safe. In fact, we’ve already had to increase the standard key length to keep up with the speed of computers. The good news is, using a longer key doesn’t make encrypting messages much harder but it exponentially increases the number of guesses that it would take to crack a cipher. When the sender and the receiver share the same key to scramble and unscramble a message, it’s called symmetric encryption.
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With symmetric encryption, like Caesar’s Cipher, the secret key has to be agreed on ahead of time by two people in private. That’s great for people, but the internet is open and public so it’s impossible for two computers to “meet” in private to agree on a secret key. Instead, computers use asymmetric keys: a public key that can be exchanged with anybody and a private key that is not shared. The public key is used to encrypt data and anybody can use it to create a secret message, but the secret can only be decrypted by a computer with access to the private key. How this works is with some math that we won’t get into right now. Think of it this way. Imagine that you have a personal mailbox where anybody can deposit mail, but they need a key to do it. Now you can make many copies of the deposit key and send one to your friend or even just make it publicly available.
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Your friend or even a stranger can use the public key to access your deposit slot and drop a message in, but only you can open the mailbox with your private key to access all of the secret messages you’ve received. And you can send a secure message back to your friend by using the public deposit key to their mailbox. This way people can exchange secure messages without ever needing to agree on a private key. Public key cryptography is the foundation of all secure messaging on the open internet, including the security protocols known as SSL and TLS, which protect us when we’re browsing the web. Your computer uses this today anytime you see the little lock or the letters https in your browser’s address bar. This means your computer is using public key encryption to exchange data securely with the website you’re on. As more and more people get on the internet, more and more private data will be transmitted and the need to secure that data will be even more important.
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And as computers become faster and faster, we’ll have to develop new ways to make encryption too hard for computers to break. This is what I do with my work and it’s always changing. [Music]
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