In this video Paul Andersen explains why the slowest elementary step in a chemical reaction is the rate-limiting step. This step can be used to determine the overall rate law of the chemical reaction.

Left vs Right

Bhu Srinivasan researches the intersection of capitalism and technological progress. Instead of thinking about capitalism as a firm, unchanging ideology, he suggests that we should think of it as an operating system -- one that needs...

Tornadoes are one of nature’s most powerful forces -- see where they come from, how fast they go, and how scientists study them!

New ReviewTwo vehicles fall into sink hole after road suddenly gives way beneath them at stop lightCredit: University of Nebraska-Omaha Public Safety

New ReviewIncredible Experiment: Tennis Balls in a Wheel!

New ReviewDoctor Mac Wheelie has a gray cement mixer that needs to be painted in bright colors. Doctor Mac Wheelie decided to make the drum two-colored, taking gray and orange colors. The cab she will paint blue, but the wheels will be black....

New ReviewDoctor Mac Wheelie wants to paint a dump truck. This is a very useful and necessary machine, which is designed for the transportation of heavy loads. Doctor Mac Wheelie will paint the body of the dump truck bright orange and the cab...

New ReviewA yellow sedan is stuck on the road. Only a tow truck can save it. But before the tow truck goes on a mission, it needs to be colored. Doctor Mac Wheelie has already taken out her colored pencils and got to work. She painted the boom and...

New ReviewToday a white truck crane came to Doctor Mac Wheelie's house. He wants to become multi-colored. Doctor Mac Wheelie took out her colored pencils and started to color the crane. She colored the wheels black, the frame, the boom, and the...

New ReviewToday, together with Doctor Mac Wheelie, we will paint a real fire truck! Let's start with the wheels, they are black, wheel rims - gray, then paint the fenders, ladder, compartment with tools and all this - gray! We still have the...

New ReviewToday we have a special guest, Lightning McQueen. Get your pencils ready. Wheels in black, a muffler, and a gas cap in gray. What color was the body? Blue, green? No, that doesn't work. Let's paint it red! That's right, that's red! Now...

New ReviewThe Doctor will be coloring herself! Let's color her, shall we? The pants in blue and the blouse in yellow. Let's color her hair too. Oh, the Doctor colored her hair purple. Naughty girl! Let's fix it. That leaves the hat, hands, and...

New Review“The Power of Invention” examines how technologies of the past and present have caused social change.

Rear-facing car seats do keep kids safer, but they can be hard to use for larger children. In Sweden, kids stay in backward facing seats a lot longer, and have fewer injuries. The study that encouraged American parents to turn their car...

This week's news are on topics everyone loves: sex, food, and cars. But the details may not be what you expect. The last segment is so important, we may address it in more detail in a Monday HCT episode soon.

Explore the promising future of Linux in the IT landscape, discussing upcoming trends and the role of Linux in future technologies.

Explore interesting facts about the IT sector, highlighting the industry's growth, diversity, and impact on the global economy.

Enzo Ferrari was more than just a car designer—he built one of the most iconic brands in automotive history. Starting as a race car driver, he founded Ferrari in 1947, creating fast, elegant cars that became symbols of speed and power....

Henry Ford didn’t invent the car, but he changed the world by making cars affordable and accessible. His ideas transformed how things were made and how people lived. In this episode, we explore the top 5 most important facts about Henry...

Henry Ford didn’t invent the car, but he changed the world by making cars affordable and accessible. His ideas transformed how things were made and how people lived. In this episode, we explore the the life of Henry Ford—from the...

This video explores the pros and cons of self-driving cars as they become a more realistic mode of transportation. It discusses the potential benefits such as reducing accidents and congestion by eliminating human error, faster reaction...

The fundamental misconception about car leases is that they work like other rental agreements, like for apartments or furniture. They don't. Cars are a unique asset for one ugly reason: depreciation. Nothing costs so much yet loses value...

A lot of factors go into your car insurance rates, and some of them you can have control over!