Topic: measurement

Sort: Date | Title | Sort Ascending
View:

Fly over Jupiter with NASA’s Juno spacecraft

NASA's Juno Spacecraft is investigating Jupiter in a series of 37 orbits, and though images, data, and samples, these remarkable flybys have revealed some very cool things: 900 mile wide cyclones at the planet's poles...

Why Most Rain Never Reaches The Ground – Minute Earth

In our planet's constantly moving water cycle, our oceans, lakes, puddles, and other collections of water evaporate, or water transpires from plants. That vapor travels upwards into the atmosphere and can form clouds....

J is for Joule – Circuit Playground

Learn all about work (as defined by physics) and the Joule, a unit of energy measurement, with Adabot and English physicist James Prescott Joule (1818-1889). A summary from Universe Today: An apple is a favorite e...

Mars in a Minute: How Long is a Year on Mars?

One year for any planet is measured by how long it takes to orbit once around the sun. Since Mars is farther away from the sun than Earth, it takes almost twice as long: Earth orbits in 365 days. Mars orbits in 687 Ea...

Creating The Never-Ending Bloom: John Edmark’s spiral geometries

Artist, designer, inventor, and Stanford professor John Edmark creates sculptures that are driven by precise mathematics, but his interest in spiral geometries is driven by something more enigmatic... "a search for un...

Drones help scientists study Guatemalan volcanoes

A team of volcanologists and engineers from the Universities of Cambridge and Bristol has collected measurements from directly within volcanic clouds, together with visual and thermal images of inaccessible volcano pe...

How to make a coin sorting machine with cardboard

With some thick cardboard, a cutting knife, some hot glue, a ruler, and probably a bit of trial and error, you can create your own DIY coin sorting machine. The key to the sorting "mechanism" is to cut the right size ...

What’s inside a tape measure?

It's useful for measuring, fun to extend out as far as possible, and when its rocker is unlocked, the long metal measuring blade snaps quickly back inside of its shell. But how? What's inside a tape measure? In th...

Measuring the Berlin TV Tower with a ruler

Can you calculate how tall a building or monument is by using a ruler and the scale on a map? Mathematician Matt Parker attempts this ambitious math feat during his trip to the German capital. The structure he's aimin...

When Your Job Is Saving The Ocean | How She Works

On her dive days as a marine biologist for The Bay Foundation, Ariadne Reynolds is usually scuba diving in the Santa Monica Bay for three 1-1.5 hour stretches as she observes urchins and kelp growth, and measures ever...

The mathematics of sidewalk illusions

Have you ever come across an oddly stretched image on the sidewalk, only to find that it looks remarkably realistic if you stand in exactly the right spot? These sidewalk illusions employ a technique called anamorphos...

Can you solve the counterfeit coin riddle?

You're currently locked in the dungeon by orders of the king, but as the realm’s greatest mathematician, you've been given a chance to free yourself: If you can identify a counterfeit coin, one fake coin in a group of...

Strain Wave Gearing LEGO Great Ball Contraption (GBC) Module

Behold another excellent Great Ball Contraption (GBC) from LEGO enthusiast Akiyuki, this one with Strain Wave Gearing. Akiyuki explains: Strain wave gearing consists of three components: a wave generator, a flex s...

Can you solve the airplane riddle?

Professor Fukanō, the famous scientist, has embarked on a new challenge – piloting around the world in a plane of his own design. There’s just one problem: there's not enough fuel to complete the journey. Luckily, the...

The stories behind Fahrenheit and Celsius

Fahrenheit (°F) is a unit of measurement for temperature. Daniel Gabriel Fahrenheit (1686–1736) is the inventor of the mercury-in-glass thermometer and the aforementioned scale of measurement. In this Veritasium video...

Earth’s History Plays Out On A Football Field

The Earth is 4.5 billion years old. How can we comprehend such a massive amount of time? Skunk Bear's Adam Cole sets out to answer this question by using the 100 yard length of a football field to help us visualize ou...

Science and survival on Continent 7: Antarctica

At -100 degrees F, you'll survive for less than 3 minutes and burn 5,000 calories a day, and boiling water can turn to snow instantly. And, at less than 1% humidity, your body will lose water just breathing. This is S...

Marie Tharp: Uncovering the Secrets of the Ocean Floor

In the early 20th century, Alfred Wegener proposed a revolutionary idea: that the Earth’s continents were once joined together, and had gradually moved apart. The idea contradicted almost everything scientists thought...

« Prev