Topic: cold

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Why do ice cubes crack in drinks?

Here's an easy experiment: Take ice straight from the freezer and drop it in a glass of water. Listen and watch for the crack. Why does it do that? Professor Martyn Poliakoff of the Periodic Table of Videos team e...

Snowtime: the timelapsed formation of snowflakes

The timelapsed formation of snowflakes in macrofocus by Vyacheslav Ivanov. Music: Aphex Twin - Avril 14th. Update via Colossal: “Ivanov confirms from his home in St. Petersburg that th...

The Science of Snowmaking

From The New York Times, Olympics 2014: The Science of Snowmaking:  Machines make snow the same way nature does, by freezing water droplets. But they do it a few feet above the ground, rat...

This is NOT timelapse: the Aurora Borealis in real time

This breathtaking video of the Aurora Borealis is not a timelapse video — this is what it looks like in real time. It was filmed in Yellowknife, Northwest Territories, Canada by astro-ph...

Minute Earth: How do trees survive winter?

How do trees survive winter? This episode of Minute Earth explains. Related watching: The Story of Frozen Food and Why The Full Moon is Better in Winter.

Snow Facts Cheat Sheet

How is snow made? What temperatures make different kinds of snow? And can two snowflakes look exactly alike? The Science Channel has a quick Snow Facts Cheat Sheet video for questions just like this. There are more ...

TED Ed’s Reasons for the Seasons

Watch TED Ed’s Reasons for the Seasons. Educator Rebecca Kaplan lays out the many variables that shape our understanding of what seasons are. via insteadofwatchingtv.

It’s Okay To Be Smart: What is wind?

We were just watching how wind (and so many other things) can get going with the spin of the Earth, now let’s go deeper and find out more about what wind is with PBS’ Dr. Joe Hanson of It’s Okay To Be Sma...

MinuteEarth: The Story of Frozen Food

From MinuteEarth, The Story of Frozen Food. via Laughing Squid.

Travel through Greenland on a dog sled

With a pack of impatient dogs barking that they’re ready to go, travel through Greenland on a dog sled, a mode of transport that is thousands of years old. In the archives: more animals in the snow.

Earth Touch: Antarctica Ep2

Two South African filmmakers and ecologists travel to South Georgia Island and Antarctica to film the animals that live on the seventh continent. In this episode from, meet the trusting seals and pengui...

The Best Bloopers from Penguins Spy in the Huddle

A series of clumsy penguin outtakes from the BBC’s Penguins - Spy in the Huddle, narrated by David Tennant. (Updated video link.) The documentary team disguised 50 cameras — as penguins, rocks, snowballs, ...

What does it look like underneath a lake covered with Antarctic ice?

McGill University doctoral student and scientific diver Michael Becker shares the icy underwater view in this New York Times video under Lake Untersee, Antarctica. In the blog post, he also explains the prep behind k...

Instant Ice Crystals – The Secret Life of Ice

From the BBC’s The Secret Life of Ice, an experiment for the DIY files: Dr Gabrielle Walker and Dr Andrea Sella investigate the molecular make up of ice crystals. They use supercooled water to create a mass o...

Bubble freeze: ice crystals form on a bubble

Ice crystals form on a soap bubble at -30c in Northern Sweden. via Daily Picks and Flicks.

Studying ice cores in Antartica

When you drill 364 meters (1194 feet) down into Antarctic ice, taking out a cylindrical section called an ice core, you can find out about the Earth’s temperature and carbon dioxide levels from over 20,000 yea...

Throwing a pot full of just-boiled water into the -41C air

What happens when you throw a pot full of just-boiled water into the -41C air? Dmitry Klimensky in Novosibirsk, Russia demonstrates. Related reading: Mpemba effect: Why hot water can freeze faster than cold. Thanks...

How the trucks remove heavy snow in Montreal, Canada

Behold how they remove heavy snow from the streets of Montreal, Canada. It’s like a Virginia Lee Burton book that has come to life…  via Irene’s Internet.

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