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Topic: floating
How do ocean currents work?
In 1992, a cargo ship carrying bath toys got caught in a storm. Shipping containers washed overboard, and the waves swept 28,000 rubber ducks and other toys into the North Pacific. But they didn’t stick together -- th...
How far would you have to go to escape gravity?
Every star, black hole, human being, smartphone and atom are all constantly pulling on each other due to one force: gravity. So why don’t we feel pulled in billions of different directions? And is there anywhere in th...
The Ocean Cleanup technology and challenges explained
The Great Pacific garbage patch in the northern Pacific ocean holds an estimated 1.8 trillion hard-to-see pieces of plastic that float around on or just below the water's surface. They're kept swirling in an area that...
The Meissner Effect: How to levitate a neodymium magnet
A neodymium magnet cube sits on a surface of yttrium barium copper oxide—YBa2Cu3O7, nicknamed YBCO—inside the bottom of a styrofoam cup. A small amount of liquid nitrogen is poured slowly over the YBCO. As it cools, t...
The precision and serendipity of Ebru (paper marbling)
Watch ebru artist Alparslan Babaoğlu as he floats bright blue and yellow flowers on the surface of water and then transfers the piece to paper. The Turkish artist spends nine peaceful minutes shaping leaves and petals...
Liquid Sand Hot Tub: Making a giant fluidized bed of sand
When air is pumped through sand in just the right way, the sand begins to behave a lot like a fluid. As air escapes between the sand particles, items placed in the sand will begin to float. Others will sink. And when ...
Fish paralyzed by Man O’ War tentacles – Blue Planet II
The tentacles of the Portuguese Man o' war (Physalia physalis) are beautiful as they float down into the water... but fish and humans, beware: These tentacles are venomous. They can sting, and they catch and reel in f...
Surface tension and The Cheerios Effect
Ever notice how cereal clumps up in your bowl, or how cereal sticks to the edges of the bowl? Bubbles in beverages do the same thing. You've probably seen this surface tension and buoyancy at work, but did you know th...
How to draw a floating / levitating cube
Amaze friends and family with your version of this anamorphic optical illusion: a floating/levitating cube. Though it may take some practice to get the proportions and shading right, this 3D quick trick tutorial by ar...
How Do Pelicans Survive Their Death-Defying Dives?
Unlike American White Pelicans, who scoop up fish at the water's surface, California’s brown pelicans rocket down from the sky, plunging toward the ocean from as high as 65 feet. This episode of Deep Look explains how...
The Floating Piers by Christo & Jeanne-Claude
Fly high above Italy's Lake Iseo for the opening day of Christo & Jeanne-Claude's The Floating Piers installation. On June 18th, 2016, tourists and locals walked across 7,503 deep saffron-colored panels that wrap arou...
Astronaut Leland Melvin on Returning Home From Life In Space
What's it like to come back home to our Blue Marble after you've been floating around in orbit? NASA astronaut, engineer, and former football player Leland Melvin explains his return-to-Earth readjustment experience i...
A levitating top in a foggy soap bubble
A spinning Levitron Cherrywood top, thanks to repelling magnetic force in the base and the top's gyroscopic stability, hovers over a soap bubble full of glycerin fog, all within a larger bubble that is also filled wit...
![How Google[x]’s Project Loon Tests Its Giant Internet Balloons](https://vg5b2ejdwb-flywheel.netdna-ssl.com/wp-content/uploads/2015/12/how-googlexs-project-loon-tests-640x360.jpg)
How Google[x]’s Project Loon Tests Its Giant Internet Balloons
What if massive pumpkin-shaped balloons could bring internet access to rural and remote locations around the planet? Google[x], which also developed Google Glass and Google's Driverless Car, has a team working on gian...
How to make a DIY ‘drone’ with balloons & a fishing rod
How do you get a bird's eye view of the surrounding landscape when you don't have an quadcopter or drone? In this episode of Earth Unplugged, Sam Hume cobbles together his own 'drone' for less then £50 (around $76). S...
Adding color & fizz to floating water bubbles in microgravity
When you're floating water bubbles in microgravity on the International Space Station, be sure to add a gas-releasing effervescent tablet and some food coloring, and don't forget to film it in 4K resolution. Astron...
Shade balls roll into the LA Reservoir to prevent water evaporation
2016 Update: Why shade balls aren’t such a great idea after all and The drought-busting balls that don't bust drought. How do you keep your recycled water from evaporating during a state-wide drought? One proposed ...
Cooking in Space with ESA Astronaut Samantha Cristoforetti
How do you prepare dinner in space? ESA astronaut Samantha Cristoforetti demonstrates how she assembles whole red rice with peas and chicken turmeric in microgravity. Yay for pouches and tortilla plates! The me...
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