Chi Tong

14 Flips | 6 Magazines | 1 Follower | @spacetong | Keep up with Chi Tong on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Chi Tong”

How do astronomers know Jupiter’s mass?

Astronomers use the orbiting moons of Jupiter – largest planet in our solar system – to find Jupiter’s mass.<p>Jupiter is the largest planet in our …

Hummingbird Genes Trace Existence ‘on the Extremes’

WASHINGTON — For such small creatures, hummingbirds have racked up an huge list of claims to fame.<p>They are the smallest birds and the smallest warm-blooded animals on Earth. They have the fastest heart and the fastest metabolism of any vertebrate. They are the only birds that can fly backward. And …

Birds

Rough diamond hints at vast quantities of water inside Earth

Battle-scarred diamond provides evidence of 'wet zone' 410km below the surface where water is locked up inside minerals<p>A small, battered diamond found in the gravel strewn along a shallow riverbed in Brazil has provided evidence of a vast "wet zone" deep inside the Earth that could hold as much …

23 Children's Books You Need To Read Again As An Adult

With help from The New York Public Library's Youth Materials Specialist, Betsy Bird, we put together a list of 23 books worth giving a second read.

Who Buried the $10 Million in Coins Found by a California Couple—and Why?

What they found, where it's from—and what are the odds?<p>The dream of discovering buried treasure came true for a California couple who found a real pot of gold while walking their dog. The largest such hoard ever found in the U.S. is comprised of 1,411 gold coins, minted between 1847 and 1894, worth …

10 Famous People Killed By Bad Medicine

In the past, medicine was not so much a science as a cross between amateur alchemy and compensated sadism. And the worst quackery wasn't just …

Kodak No 1 Camera – early images to mark its 125th anniversary

The Kodak No 1 camera, launched 125 years ago, was pre-loaded with 100 exposures and required customers to use all the film and then return the camera to Kodak for processing. The customer then received 100 images, all circles with a diameter of 2.5 inches (6.5cm). The camera from the Eastman Kodak …

What is Heisenberg's Uncertainty Principle?

How the sun shines and why the vacuum of space is not actually empty<p>The uncertainty principle is one of the most famous (and probably misunderstood) ideas in physics. It tells us that there is a fuzziness in nature, a fundamental limit to what we can know about the behaviour of quantum particles …

Yosemite Valley - Twilight Fog