Curated Video
Proving or Disproving Points on a Circle
In this lesson, students will learn how to prove or disprove if a point lies on a given circle with a specific center and through a specific point. By using the equation of a circle, they will be able to graph the circle and evaluate if...
Weatherthings
Weather Things: Hurricane Structure
For their size and impact, hurricanes are often called the greatest storms on Earth. They expend a tremendous amount of energy through the water cycle, and through wind, to maintain the balance of the atmosphere. Known by different names...
Curated Video
Organizing Your Research: Creating a Brainstorming Web
In this video, the teacher explains how to organize research by creating a brainstorming web. The lesson focuses on the importance of choosing the right brainstorming format and provides step-by-step instructions for creating a web with...
Curated Video
What Exactly is Spacetime? Explained in Ridiculously Simple Words
Spacetime, as a concept, is related to a space that consists of 4 dimensions instead of the regular 3-dimensional space. As early as 1905, Einstein proposed a now widely popular theory that the speed of light is independent of the motion...
Science360
Community College Cybersecurity Program Trains 21st-Century Workforce
The stakes are high at Collegiate Cyber Defense Competitions (CCDC), where top-notch security professionals pose as computer hackers, who try to break into simulated business computer networks -- the kinds you'd find on Wall Street, in...
Science360
Dropsondes - Work Horses In Hurricane Forecasting
Inside a cylinder that is about the size of a roll of paper towels lives a circuit board filled with sensors. It's called a dropsonde, or ""sonde"" for short. It's a work horse of hurricane forecasting, dropping out of ""Hurricane...
FuseSchool
Matter Exam Question 2
Work through this practice GCSE / K12 question on atomic number, atomic mass and electronic configuration. Read the question, and hit pause if you want to try answering it yourself. Then hit play again to watch how the teacher solves it.
Curated Video
Italy, Ancient city Paestum
Poseidonia was probably founded about 600 bc by Greek colonists from Sybaris, along the Gulf of Taranto, and it had become a flourishing town by 540, judging from its temples. After many years' resistance the city came under the...
Curated Video
Italy, Rome, Roman Forum - Basilica Aemilia
The Basilica Aemilia was a civil basilica in the Roman Forum, in Rome, Italy. Today only the plan and some rebuilt elements can be seen. The Basilica was 100 meters long and about 30 meters wide. Along the sides were two orders of 16...
Science360
Check out the assembly line of the future!
There's no shortage of ideas about how to use nanotechnology, but one of the major hurdles is how to manufacture some of the new products on a large scale. With support from the National Science Foundation (NSF), UMass Amherst chemical...
Coach Dan Blewett
Understanding the Count, Locations, Strike Zone and Pitch Selection - Pitching & Hitting Strategy
In this video about baseball pitching and hitting strategy, you'll learn the basics of the count, locations, strategy, expanding the strike zone and how hitting and pitching tactics change due to the count.
Curated Video
Bulgaria, Tatul ancient Thracian city
The Thracian sanctuary near Tatul Village, Momchilgrad Municipality, is one of the most imposing megalithic monuments discovered on the territory of Bulgaria. It lies just 200 m away from the village and approximately 15 km away from...
Curated Video
Italy, Rome, Roman Forum - Temple of Saturn
Located at the west end of the Imperial Forum in Rome, the Temple of Saturn was originally erected in 497 BC and later rebuilt between 360 and 380 AD. The present ruins represent the third incarnation of the Temple of Saturn, replacing...
Curated Video
Italy, Rome, Roman Forum - Temple of Venus and Rome
The largest and most splendid of Rome's temples, the Temple of Venus and Rome was designed by Hadrian, himself. Although consecrated in AD 121, construction did not begin until about AD 125. The architect was the emperor Hadrian and...
Weatherthings
Hurricane Florence - The Meteorology, and the Impact on Society
Florence was a Category 4 storm in the Atlantic in 2018 but after it made landfall on the North Carolina coast as a Category 1 and weakened to a tropical storm it did most of its damage. This slow-moving storm left record rainfall and...
The Wall Street Journal
Power And The Presidency
Ever since the days of Teddy Roosevelt, denizens of the White House have pushed presidential powers to new limits. Is this good for The Republic? And what - if anything - should be done about it?
Physics Girl
Are perpetual motion machines possible?
A wheel that spins forever; a bird that never quenches its thirst; a clock that never stops ticking, an endless source of free energy. These are but the dreams of inventors striving to make perpetual motion machines, machines that can...
Brian McLogan
What is the definition of a parabola
Learn all about parabolas in conic sections. We will discover the basic definitions such as the vertex, focus, directrix, and axis of symmetry. We will also take a look a basic processes such as graphing, writing the equation and...
Science360
Sustainable chemistry center works to transform electronics manufacturing
The changes brewing in this lab could make that smartphone you carry smarter, lighter and more sustainable. It's one of many devices getting an electronic makeover at the Center for Sustainable Materials Chemistry (CSMC). With support...
Curated Video
UX Design for Web Developers (Video 8)
User experience (UX) design is a theoretical understanding of how users interact with websites. The major challenge developers building a company website face is finding the right balance that fulfills the objectives of the company as...
Brian McLogan
Evaluate the integral using the area of a semi circle
👉 Learn how to evaluate the integral of a function. The integral, also called antiderivative, of a function, is the reverse process of differentiation. Integral of a function can be evaluated as indefinite integral or as a definite...
Epic History TV
Alexander the Great Part 2
Find out why many still consider Alexander the Great to be the greatest military leader of all time. Animated maps chart the full story of his brilliant 10-year campaign across Greece, Egypt, Iran, Afghanistan and to the borders of...
Science360
Evolutionary biologist Sally Otto - ScienceLives
Sarah (Sally) Otto is an evolutionary biologist and professor at the University of British Columbia in Canada. She studies the evolutionary process through mathematical modeling and the use of model organisms like yeast. Evolution is...