Topic: particles

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Can Bird Poop Make Clouds?

How does bird poop potentially help to keep our climate just a wee bit cooler? In this episode of Gross Science, Anna Rothschild helps connect tens of millions of seabirds in the Arctic to 40,000 metric tons of ammoni...

A Sketchy History Of Pencil Lead

When fifth-graders at Green Acres Elementary in Lebanon, Oregon asked the NPR Skunk Bear team how pencil lead was made, they looked into it... way into it. From the start of the universe (with a shout out to Carl Saga...

How to Design a Particle Accelerator

What is a particle accelerator and how would you go about designing one? We've heard of the Large Hadron Collider at CERN, but what of the tens of thousands of other accelerators being used in science and medicine? ...

A bumblebee dislodges pollen in slow-mo

Sonication or buzz pollination is the bumblebee's secret weapon of resonant vibration. When bumblebees (and a few other bee species) grab onto a flower and vibrate it by flying in place, securely attached pollen is di...

Why every picture of a black hole is an illustration – Vox

No one has ever seen a black hole. There have been illustrations and computer simulations, but not even astronomers have seen a black hole... yet. In the spring of 2017, we might see... something. As a part of...

Understanding the Magnetic Sun – NASA Goddard

This dynamic computer model of our sun reveals the behavior of its invisible magnetic structure. The pink and green indicate open magnetic field lines that reach out into space, while the "closed" white lines loop bac...

Solar Wind Strips Martian Atmosphere – NASA Goddard

In 2014, NASA's MAVEN (Mars Atmosphere and Volatile Evolution mission) spacecraft measured the speed and direction of ions escaping from Mars. The data collected as it orbited the Red Planet is visualized in this NASA...

An octopus that makes quicksand for a quick escape

The southern sand octopus can make a quick escape by making its own quicksand. How? It shoots jets of water into the sand grains, separating them into an almost fluid state, and allowing the octopus to burrow. There u...

How to Make a Cloud in Your Mouth – Physics Girl

To make a cloud in your mouth -- yes, this is a very cool trick that actually works with practice -- you'll need to make tiny water droplets in your mouth. Then up the pressure. Physics Girl Dianna Cowern demonstrates...

One Bright Dot – From a deep sea light to a swarm of particles

"A little light rises from the deep sea." From French motion designer Clément Morin, this is One Bright Dot, the wordless yet epic journey of a swarm of particles as they speed across the landscape and beyond.

DIY Cloud Chamber – How to build your own particle detector

There's an easy way to build a particle detector for around $40. Yes, you can make your own particle detector to see invisible cosmic rays from space. In this video from US LHC at CERN -- LHC stands for Large Hadr...

How to Observe a Meteor Shower – Cal Academy

Get some blankets, find a dark hill on a dark night, make sure you've napped, and put away that smartphone. The California Academy of Sciences has some excellent tips for seeing shooting stars, more accurately known a...

NASA: Satellite Tracks Saharan Dust to Amazon in 3-D

Watch 182 million tons of dust ride the wind out of Africa's Sahara Desert in 3D, as tracked from 2007 through 2013 by lidar, thanks to CALIPSO, the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation sa...

Ocean sponges have incredible filtering power

Ocean sponges are fascinating multi-cellular animals that don't walk or swim. They eat by filter-feeding, straining the water around them to capture organic debris particles and microscopic life forms. How powerfu...

How does a music box work? – The Curiosity Show

In this clip from Australia's The Curiosity Show, science educator and co-host Deane Hutton demonstrates the basics of sound, moving air particles, and forced vibrations with a plastic comb, hacksaw blades, the metal ...

PIXELS: Video game characters invade New York City (original short)

PIXELS (2010), in which New York City is invaded by some old school 8-bit characters from an earlier generation of video games. Written and directed by French director Patrick Jean. Update: This film is the inspira...

The Beginning of Everything – The Big Bang

From the team at Kurzgesagt, let’s explore what we know about The Beginning of Everything — The Big Bang: Has the universe a beginning or was it here since forever? Well, evidence ...

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...

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