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Are Professors Truly Prepared to Face AI? #SOC119 #AI #Education #HigherEducation
Are Professors Truly Prepared to Face AI? #SOC119 #AI #Education #HigherEducation Teacherflix 5 Views • 4 days ago

This is a short taken from the eighteenth class of the Spring 2026 semester. The original live stream, which was broadcast at Penn State’s University Park Campus is available here: https://www.youtube.com/watch?v=smftnhfHcWs

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The Altyn Helmet (Armored Spetsnaz Soldiers)
The Altyn Helmet (Armored Spetsnaz Soldiers) Teacherflix 14 Views • 2 years ago

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During the 1980’s in the Soviet-Afghan War, Soviet Spetsnaz units were subjected to modernization of their protective equipment, primarily the headgear.
The Standard army issued steel helmets provided insufficient protection.
Instead, Spetsnaz opted for titanium helmets.

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Ionization energy trends | Periodic table | Chemistry | Khan Academy
Ionization energy trends | Periodic table | Chemistry | Khan Academy Teacherflix 16 Views • 2 years ago

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/sc....ience/chemistry/peri

Definition of ion and ionization energy, and trends in ionization energy across a period and down a group.

Watch the next lesson: https://www.khanacademy.org/science/chemistry/periodic-table/periodic-table-trends-bonding/v/group-trend-for-ionization-energy?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry

Missed the previous lesson? https://www.khanacademy.org/science/chemistry/periodic-table/periodic-table-trends-bonding/v/mini-video-on-ion-size?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry

Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

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Fundamental theorem of algebra | Polynomial and rational functions | Algebra II | Khan Academy
Fundamental theorem of algebra | Polynomial and rational functions | Algebra II | Khan Academy Teacherflix 43 Views • 2 years ago

Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/algebra2/polynomial_and_rational/fundamental-theorem-of-algebra/e/the-fundamental-theorem-of-algebra?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII

Watch the next lesson: https://www.khanacademy.org/math/algebra2/polynomial_and_rational/fundamental-theorem-of-algebra/v/fundamental-theorem-algebra-quadratic?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII

Missed the previous lesson?
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Algebra II on Khan Academy: Your studies in algebra 1 have built a solid foundation from which you can explore linear equations, inequalities, and functions. In algebra 2 we build upon that foundation and not only extend our knowledge of algebra 1, but slowly become capable of tackling the BIG questions of the universe. We'll again touch on systems of equations, inequalities, and functions...but we'll also address exponential and logarithmic functions, logarithms, imaginary and complex numbers, conic sections, and matrices. Don't let these big words intimidate you. We're on this journey with you!

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

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Nuclear Reactor - Understanding how it works | Physics Elearnin
Nuclear Reactor - Understanding how it works | Physics Elearnin Teacherflix 8 Views • 2 years ago

Nuclear Reactor - Understanding how it works | Physics Elearnin video


Nuclear reactors are the modern day devices extensively used for power generation as the traditional fossil fuels, like coal, are at the breach of extinction. A nuclear reactor is the source of intense heat which is in turn used for generation of power in nuclear power station. Its mechanism is similar to that of a furnace in a steam generator; the steam is used to drive the turbines of the electric generator system.
A nuclear reactor consists of three crucial components: Fuel elements, moderator and control rods.
Fuel elements come usually in the shape of thin rods of about 1cm in diameter and contain fissionable nuclei, like Uranium (235 92U or 238 92U). These rods vary in number according to the size of the reactor, in large power reactor thousands of fuel elements are placed close to each other. This region where these fuel elements are placed is called the reactor core. These fuel elements are normally immersed in water which acts as a moderator.
The objective of a moderator is to slow down the energy neutrons in a nuclear reactor which are produced during the nuclear fission process by the fuel elements. Thermal neutrons, which are neutrons with energy of about 0.04 electron volts, are capable of producing fission reaction with 235 92U. During the fission reaction process, new neutrons are given out which have energies of about 1 MeV. These neutrons of typically escape from participating in another fission process as they are accompanied by enormous energy release. In f -ct, the probability of these neutrons produce another fission reaction is 500 times less than as compared to that of a thermal neutron. This is where moderator is extremely useful. Moderator has the capability to slow down, or in other words moderate, the speed of these high-energy neutrons, so that they can in turn be used for a chain reaction to trigger multiple fission reactions of other 235 92U nucleus.
Commonly, ordinary or heavy water is used as moderator in nuclear reactors because of the deuterons present in them which are capable of slowing the neutron speed. Water molecules in the moderator are useful in slowing down the high-energy neutrons which leave the fuel-element after nuclear fission. These high-energy neutrons collide with water molecules thereby losing out on some energy with every collision and therefore slow down substantially. A new fission reaction can now be triggered using this slow neutron by striking it with the fuel element.
The third and of the most prominent part of a nuclear reactor are the control rods. In order to get a steady output of energy from the nuclear reactor, every single nuclear fission reaction should trigger another fission reaction and ensure the availability of a spare neutron released to trigger the chain reaction. By controlling the number of spare neutrons available at any given time, the rate of the nuclear fission chain reaction can be controlled. This control on the fission reaction can be maintained using the control rods.
The main function of the control rods is to absorb any excess or spare neutron in the moderator in order to prevent any further fission reaction. Usually such control rods are made of Boron or Cadmium. To increase the rate of fission reactions, these rods can be removed from the moderator. A steady output of energy can be thus maintained by inserting or removing the control rods in the nuclear reactor.
Now that we know the components of a nuclear reactor, let us understand the working of a nuclear reactor. It is usually enclosed in a shield made of thick concrete walls. It consists of a reactor core, pump and heat exchanger. The reactor core and pump are in placed in contact with the water, which is usually the heat exchanger used in reactors. Due to the enormous amount of heat released dusing nuclear fission reaction, this surrounding water gets heated up and changes to steam, which is in turn used to turn the turbines. Thus huge heat energy gets converted into electrical energy. Water is continuously flown in and out of the nuclear reactor using the pump.
Thus a nuclear reactor successfully generates nuclear energy from fission reaction.

Devastating Gulf Storms (Full Episode) | Gathering Storm | National Geographic
Devastating Gulf Storms (Full Episode) | Gathering Storm | National Geographic Teacherflix 6 Views • 7 months ago

The warm, shallow waters of the Gulf of Mexico are a thriving hub of industry and commerce, but they’re also rocket fuel for hurricanes. The Gulf Coast has been decimated in the past, but every time the marine and coastal economies bounce back. With more people, more ships, more fishermen and more oil platforms here than ever before, three major storms will bring a new level of devastation.

Gathering Storm | S1, E2

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Adding Fractions with Unlike Denominators (Part 2) | Math with Mr. J
Adding Fractions with Unlike Denominators (Part 2) | Math with Mr. J Teacherflix 8 Views • 7 months ago

Welcome to Adding Fractions with Unlike Denominators (Part 2) with Mr. J! Need help with adding fractions? You're in the right place!

Whether you're just starting out, or need a quick refresher, this is the video for you if you're looking for help with how to add fractions with unlike denominators (aka - adding fractions with different denominators). Mr. J will go through two adding fractions examples and explain the steps of how to add fractions with unlike denominators.

MORE ADDING AND SUBTRACTING FRACTIONS VIDEOS:
✅ Adding Fractions with Unlike Denominators (Part 1) -
https://youtu.be/CoCmsyFQ_Xc
✅ Adding Fractions with Unlike Denominators (Part 2) - https://youtu.be/SSxU5sjxqyk
✅ Subtracting Fractions with Unlike Denominators (Part 1) - https://youtu.be/jgGAJOe-Bgg
✅ Subtracting Fractions with Unlike Denominators (Part 2) - https://youtu.be/Tl3lbRe18JY
✅ Simplifying Fractions - https://youtu.be/oFVzcnJfYkg
✅ Least Common Multiples - https://youtu.be/53Ed5yjBELc
✅ Why Do We Need a Common Denominator When Adding and Subtracting Fractions? - https://youtu.be/YxAXC8Q16ok
✅ Equivalent Fractions - https://youtu.be/dBZ2QGZBH6M

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Hopefully this video is what you're looking for when it comes to adding fractions.

Have a great rest of your day and thanks again for watching!

Lesson 10. Fractions | Maths Session for Grade 07
Lesson 10. Fractions | Maths Session for Grade 07 Teacherflix 14 Views • 7 months ago

By studying this lesson you will be able to
• identify mixed numbers and improper fractions, and
• convert a mixed number into an improper fraction and an improper fraction into a mixed number.

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Adding Negative Integers  #math #mathtips #homeschoolmath
Adding Negative Integers #math #mathtips #homeschoolmath Teacherflix 8 Views • 7 months ago

Hi! Welcome to Improved Math!

If you want to learn how to add negative integers, this video is for you. When adding all positive integers, your answer will always be positive. When adding all negative integers, the answer will always be negative. When adding both positive and negative integers together, you will subtract the absolute values of the integers and the answer will be in the sign of the integer with the highest absolute value. Don’t forget to check out the bonus problem and leave me your answer in the comments!

Understanding basic math isn’t just about crunching numbers; it's about fine tuning problem-solving abilities, making informed decisions, and gaining deeper insight into the world around us. From everyday tasks to complex situations, math plays a pivotal role.

Just as important is cultivating critical thinking skills. Learning how to analyze and evaluate information is needed to arrive at well-informed conclusions. Discover why these skills are the cornerstone of innovation, creativity and rational decision-making.

Math isn’t just confined to the classroom but is essential in all aspects of life from personal finance and career success to daily decision-making and creative endeavors.

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The Comprehensive Map of Medicine
The Comprehensive Map of Medicine Teacherflix 24 Views • 7 months ago

Visit https://brilliant.org/dos/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription.
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This is the Map of Medicine showing you all of the different areas of medical practice, the principles of medicine, diagnostic methods, the surrounding sciences that support the field of medicine and a description of the placebo effect and clinical trials.
#medicine #domainofscience

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Chapters
00:00 Introduction
00:28 The Principles of Medicine
02:33 Areas of Medical Practice
08:25 Diagnostic Methods
10:49 More Areas of Medical Practice
12:43 The Placebo Effect
16:04 More Areas of Medical Practice
22:47 Sponsorship Message
24:06 More Areas of Medical Practice
25:17 Internal Medicine
36:02 Foundations of Medicine
42:03 More Areas of Medical Practice
47:11 Clinical Trials

The Calamead Dragon - A children's story about respect
The Calamead Dragon - A children's story about respect Teacherflix 14 Views • 2 years ago

The Calamead Dragon is a children's story about respecting others and learning to work together. Throughout the story they can learn about mythical creatures such as elves, dwarfs and pixies.

The dragon arrives at the Spring Festival in Calamead but is sent away by the guests. They all assume he's dangerous. Soon they'll discover the dragon is a true friend, as he helps protect the town. Find out what really happens at Calamead and learn to never judge a book by it's cover.

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ABC Alphabet Song, Learn ABC Letters, Number Counting, Colors For Kids and Toddlers
ABC Alphabet Song, Learn ABC Letters, Number Counting, Colors For Kids and Toddlers Teacherflix 9 Views • 6 months ago

Help your child learn their ABC's, number counting, colors and more in this fun compilation video. Brand new ABCD song with fun dances moves with Lucas & Ruby. Learning your ABC should be fun and we hope you enjoy it as much as we enjoyed creating it. Whats more you also get to help your child learn numbers from 1-20, counting, and bonus ABC alphabet (A to Z) with phonics, all in one video! Get your kids up, singing, dancing, and learning with lessons. Enjoy our educational videos for kids in ultra HD 4k video with our favorite characters Lucas and friends! This kids video for kids is perfect for parents, teachers, grandparents, and guardians to help with their education. This is suitable for kids of all ages, from babies to toddlers, preschoolers, kindergarteners, and older. 🤩

🔆 Tap on the time track to quickly enjoy your favorite toddler learning video with Lucas & friends.

00:00 - Lucas & Friends Introduction

00:09 - Fast ABC Song For Kids
01:40 - Learn Alphabet With Phonics
07:18 - Counting Numbers 1-10
09:14 - Color Song for Kids
11:24 - Count and Write Numbers1-20
23:14 - Shapes for Toddlers
28:55 - Fast ABC Song For Kids
36:03 - Number Counting 1-10
37:58 - Learn Colors
40:05 - Count and Write 1-20
52:12 - Shapes for Toddlers

✔️ This video is available in ultra HD 4k for the highest possible video and audio quality. It stars everyone’s favorite animated buddies, 🦁 Lucas & friends, and it’s family-friendly, so everyone can enjoy it! 🕺

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Measuring Length: Centimeters, Inches, Feet and Yards |  Math for 2nd Grade | Kids Academy
Measuring Length: Centimeters, Inches, Feet and Yards | Math for 2nd Grade | Kids Academy Teacherflix 11 Views • 2 years ago

Thousands of parents and educators are turning to the kids’ learning app that makes real learning truly fun. Try Kids Academy with
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Measurement for kids does not have to be boring! Learning about this math concept is easy and fun with the videos from Kids Academy. Join our video teachers as they demonstrate measuring length, and how to compare lengths in centimeters, inches, feet and yards for kids!
The videos about measuring length are full of content that is explained carefully and clearly. Students learn different tools used for measuring such as a ruler, yardstick, meter stick, plastic tape measure, and metal tape measure. Then, students choose the appropriate tool to measure items like, a nail, door, ball or house. The teacher’s use of a whiteboard with fun pictures and examples appeal to young learners.

Students practice measuring items in inches and centimeters. Comparing centimeters to inches is easy with the rulers provided on the screen. Students continue their exploration of measurement by comparing objects by measuring the length in centimeters and then using subtraction to compute the difference in length.

Showing children how math is applied and used in their everyday lives makes instruction more meaningful and aids in the retention and understanding of the concepts taught. Almost every day, we use estimation of length, width, or weight. Kid’s Academy carefully explains how to use everyday objects that are familiar to estimate length. The video teacher explains a bottle cap is about an inch wide, and a hammer is close to 12 inches long. Using these objects as a reference, students estimate the length of other objects.

Clear up any confusion on measurement for kids with these videos and activities. These clips are a great resource for teachers and parents to aid students with measurement. After viewing the instruction, hands-on measurement activities are easily completed in the home or classroom as an extension or enrichment for the lesson.

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Learn ABC Alphabet and ABC Phonics for kids| How to write
Learn ABC Alphabet and ABC Phonics for kids| How to write Teacherflix 18 Views • 2 years ago

Hi, this is Kids Academy and in our new video for kids, you can learn english ABC alphabet.
The alphabet is a building block that helps kids to develop reading and writing skills.

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There is some debate which should be taught first – UPPERCASE letters of lowercase letters. On the one hand, uppercase letters are easier to identify and draw. On the other hand, most of what is written is in lowercase.
Whichever order you choose, we have prepared this entertaining video for teaching uppercase letters. Cute animals, natural phenomena and your kids’ favorite foods will introduce letters to your little ones and help them learn their ABCs.

00:00 - Start
00:16 - Letter A
00:30 - Letter B
00:48 - Letter C
01:03 - Letter D
01:20 - Letter E
01:42 - Letter F
01:56 - Letter G
02:08 - Letter H
02:21 - Letter I
02:44 - Letter J
02:58 - Letter K
03:13 - Letter L
03:39 - Letter M
03:54 - Letter N
04:14 - Letter O
04:29 - Letter P
04:47 - Letter Q
05:04 - Letter R
05:19 - Letter S
05:39 - Letter T
05:56 - Letter U
06:09 - Letter V
06:24 - Letter W
06:39 - Letter X
06:53 - Letter Y
07:05 - Letter Z

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Which is the best AI language tutor? - A specialist in language learning tech chooses her favourite
Which is the best AI language tutor? - A specialist in language learning tech chooses her favourite Teacherflix 5 Views • 2 months ago

Try Langua here: https://languatalk.com/try-langua?via=new
For English or Spanish, also try Spoken (an app created by me): https://spoken.me?utm_source=YTbest

Read about other AI language tutors I tested: https://oh-yeah-sarah.medium.c....om/which-is-the-best

What is an AI language tutor? An AI language tutor is an app that uses AI to give spoken or written conversation practice in the language that you’re learning. I tested 5 and in this video I tell you about my favourite, Langua.

See also: Is you AI language tutor lying to you - https://www.youtube.com/watch?v=so34-XWE3Tk I investigate how reliable the grammar corrections are in AI language tutor apps.

#ailanguagetutor #aispeakingpractice #langua

Langua review

Solubility Rules
Solubility Rules Teacherflix 25 Views • 2 years ago

This chemistry video tutorial explains how to use the solubility rules to determine if a compound is soluble or insoluble.

Stoichiometry Practice Test:
https://www.youtube.com/watch?v=mP2Yg8alyR0

Solute, Solvent, & Solution:
https://www.youtube.com/watch?v=MDHlaTHbEgM

Strong & Weak Electrolytes:
https://www.youtube.com/watch?v=2U2DBWWo6nc

Molarity Practice Problems:
https://www.youtube.com/watch?v=o_iETsDSvkg

Ion Concentration In Solutions:
https://www.youtube.com/watch?v=H5S4TRAzXhQ

Dilution Problems:
https://www.youtube.com/watch?v=FPidlCmymVg

___________________________________
Types of Chemical Reactions:
https://www.youtube.com/watch?v=iIJD8RNLpS0

Solubility Rules:
https://www.youtube.com/watch?v=LnGIKtx_udE

Predicting The Products of Reactions:
https://www.youtube.com/watch?v=MYmrWHzT1oI

Activity Series of Metals:
https://www.youtube.com/watch?v=VatDpKMJ-BU

Will This Reaction Occur?
https://www.youtube.com/watch?v=ACSKrg2RBmY

Predicting Products of SR Reactions:
https://www.youtube.com/watch?v=s4OFBa7Uans

___________________________________
Double Replacement Reactions:
https://www.youtube.com/watch?v=d8vWIGf2mGE

Net Ionic Equations:
https://www.youtube.com/watch?v=0jhNouV9TNo

Writing Chemical Equations From Words:
https://www.youtube.com/watch?v=npyvZSBqyc0

Solution Stoichiometry:
https://www.youtube.com/watch?v=Ab3wfKjaWWQ

Molarity & Dilution Problems:
https://www.youtube.com/watch?v=-4E6rOkiw2I

Acid Base Neutralization Reactions:
https://www.youtube.com/watch?v=UfTJrAPjeys

____________________________________
Acid Base Titration Problems:
https://www.youtube.com/watch?v=HJvALCcKYAc

Mixture Problems:
https://www.youtube.com/watch?v=e2FAAMlAJ3c

Calculating Oxidation Numbers:
https://www.youtube.com/watch?v=j0hI-a6EWWo

Oxidation and Reduction Reactions:
https://www.youtube.com/watch?v=dF5lB7gRtcA

Balancing Redox Reactions:
https://www.youtube.com/watch?v=fdbrhQAM9Gw

Ideal Gas Law Problems:
https://www.youtube.com/watch?v=iaZ96KaQ44c

___________________________________
Final Exams and Video Playlists:
https://www.video-tutor.net/

Full-Length Videos and Worksheets:
https://www.patreon.com/MathSc....ienceTutor/collectio

Calculus 3 - Direction Cosines & Direction Angles of a Vector
Calculus 3 - Direction Cosines & Direction Angles of a Vector Teacherflix 12 Views • 2 years ago

This calculus 3 video tutorial explains how to find the direction cosines of a vector as well as the direction angles of a vector.

3D Coordinate System:
https://www.youtube.com/watch?v=EzJP9uwV3ms

3D Distance Formula:
https://www.youtube.com/watch?v=0c6cP2zLC2c

Equation of a 3D Sphere:
https://www.youtube.com/watch?v=9DyPyJb2N9g

Calculus 3 - Intro to Vectors:
https://www.youtube.com/watch?v=2_21erD-nBg

Calculus 3 - The Dot Product:
https://www.youtube.com/watch?v=Te8eL5r7aJs

_______________________________
Angle Between Two Vectors:
https://www.youtube.com/watch?v=dYPRYO8QhxU

Parallel & Orthogonal Vectors:
https://www.youtube.com/watch?v=8fIZ2v-33xw

Direction Cosines and Vectors:
https://www.youtube.com/watch?v=ZoCxUV893fo

Calculus 3 - Vector Projections:
https://www.youtube.com/watch?v=Rw70zkvqEiE

Cross Product of 2 Vectors:
https://www.youtube.com/watch?v=pWbOisq1MJU

_______________________________
Area - Vector Cross Product:
https://www.youtube.com/watch?v=YbZmAqGUkqc

Triple Scalar Product:
https://www.youtube.com/watch?v=6NeAK0rJwlk

Vector Equations of Lines:
https://www.youtube.com/watch?v=MkjazYnvNP8

The Equation of a Plane:
https://www.youtube.com/watch?v=2sZKZHyaQJ8

Planar Equation - 3 Points:
https://www.youtube.com/watch?v=rL9UXzZYYo4

________________________________
Final Exams and Video Playlists:
https://www.video-tutor.net/

Full-Length Videos and Worksheets:
https://www.patreon.com/MathSc....ienceTutor/collectio

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