The communication process refers to a series of actions or steps taken in order to successfully communicate. Sender, message, recipient, encode, decode, interpret, feedback

In this video, the teacher explains the concept of Memorandum stock and Memorandum markup accounts in departmental accounting. They provide step-by-step instructions on how to prepare these accounts and the logic behind them.

When you think of natural history museums, you might picture exhibits filled with ancient lifeless things, like dinosaurs or meteorites. But behind that educational exterior, there are hidden laboratories where scientific breakthroughs...

At age 12, Freeman Hrabowski marched with Martin Luther King. Now he's president of the University of Maryland, Baltimore County (UMBC), where he works to create an environment that helps under-represented students -- specifically...

Did the British have any chance of maintaining the Raj in 1945 after the second world war? What was on the minds of the British decision makers when faced with counter insurgency in India compared to talking of liberating Europeans...

HipHughes rides the line between history and creepy as he explains the reasons for the Clinton Impeachment and acquittal.

Have you ever wondered how velcro works? Watch as Nate answers this question. For more videos, activities and games visit pbskids.org/designsquad

When two black holes spiral towards each other and collide, they produce powerful gravitational waves. Scientists do not know much about these waves right now, but within about a decade, they will have collected pictures of the waveforms...

Einstein's long-sought "theory of everything" ultimately eluded him, and physicist Andrei Linde wonders if Einstein wanted something more than we can actually give him. Maybe the answer hinges on boldly tossing out the ultimate...

In 1935, Albert Einstein and two colleagues published a landmark paper revealing that quantum mechanics allows widely separated objects to influence one another, even though nothing travels between them. Einstein called it spooky and...

Inflation, an enduring theory about our universe and how it was formed, proposes that just after the Big Bang, the universe underwent a period of rapid expansion. The theory has historically done a good job explaining a wide range of...

From the time of the earliest electronic computers, man has dreamed of replicating the human mind in silicon. Are there unbridgeable physical problems that make such a machine impossible, or does each advance in artificial intelligence...

From diseases and disasters to the miracles wrought by evolution, the environmental forces that shape our lives are the inspiration for countless science writers. This event featured five award-winning authors whose best-selling books...

From diseases and disasters to the miracles wrought by evolution, the environmental forces that shape our lives are the inspiration for countless science writers. This event featured five award-winning authors whose best-selling books...

From diseases and disasters to the miracles wrought by evolution, the environmental forces that shape our lives are the inspiration for countless science writers. This event featured five award-winning authors whose best-selling books...

From diseases and disasters to the miracles wrought by evolution, the environmental forces that shape our lives are the inspiration for countless science writers. This event featured five award-winning authors whose best-selling books...

From diseases and disasters to the miracles wrought by evolution, the environmental forces that shape our lives are the inspiration for countless science writers. This event featured five award-winning authors whose best-selling books...

This video will teach you how to prepare your lab for a real world attack

Like Egypt, Sumer, and Mesoamerica, ancient China represents a hydraulic civilization—one that maintained its population by diverting rivers to aid in irrigation—and one that developed writing thousands of years ago. Today, we’re going...

Sunken relics, ghostly shipwrecks, and lost cities aren't just wonders found in fictional adventures. Beneath the ocean's surface, there are ruins where people once roamed and shipwrecks loaded with artifacts from another time. Peter...

Baked or fried, boiled or roasted, as chips or fries; at some point in your life you've probably eaten a potato. But potatoes have played a much more significant role in our history than just that of the dietary staple we have come to...

Imagine setting sail from Hawaii in a canoe. Your target is a small island thousands of kilometers away in the middle of the Pacific Ocean - a body of water that covers more than 160 million square kilometers. For thousands of years,...

On July 26, 1943, Los Angeles was blanketed by a thick gas that stung people’s eyes and blocked out the Sun. Panicked residents believed their city had been attacked using chemical warfare. But the cloud wasn’t an act of war. It was...

The North American Great Lakes - Huron, Ontario, Michigan, Erie, and Superior - are so big that they border 8 states and contain 23 quadrillion liters of water. They span forest, grassland, and wetland habitats, supporting a region...