matimilstein:

Through the Looking Glass

The Mexican city of Juarez as seen through a bullet-pocked protective barrier from the American side of the international border. Ciudad Juarez has been plagued by drug-related violence and thousands of murders over the past several years.

3rdofmay:

The art: Michael Wolf, Architecture of Density #45, 2005. 

The news: “The World at 7 Billion: The Ten Biggest Megacities Today,” on Time.com.

The source: Collection of the Cleveland Museum of Art. For more of Wolf’s work, see his website. More from “Architecture of Density” is available here.

zeroing:

sarah hermans

rekrazie:

New Match Ball for Premier League, La Liga & Serie A

sofrickinawesome:

First Try… (by Thomas Ferguson)

brok-lee:

Woodkid

gallen:

Herschel Finds Oceans of Water in Disk of Nearby Star

sciencecenter:

Winged robot gives clues about origin of flight

Here’s what we know about the evolution of flight: By about 150 million years ago, the forests were filled with flying — or perhaps just gliding — dinosaurs like

Archaeopteryx, possibly similar to the ancestor of modern birds. What we don’t know is what primitive wings were used for before bird ancestors could fly. A study published today in the journal Bioinspiration & Biomimetics provides some fresh data for this debate, not from fossils but a winged robot.

There are two main theories for how avian flight evolved. According to the “trees-down” theory, primitive wings were used to glide down from heights. The “ground-up” theory holds that bird ancestors used their wings to “run flap” along the ground, making them faster and better able to scamper up steep inclines that got in their way. The problem with the ground-up theory is the huge speed required to achieve liftoff. By comparison, incremental improvements in gliding could have led to flight. The fossil evidence has been too scant to settle the matter.

Ronald Fearing and Kevin Peterson, engineers at the University of California, Berkeley, were not thinking about this debate when they created a 25-gram robot called DASH+Wings. It was a modification to a tiny six-legged robot called DASH, for Dynamic Autonomous Sprawled Hexapod — one of the many robots they have developed as sneaky reconnaissance for the U.S. military and other applications. Tiny ground-based robots often have difficulty getting up inclines and over objects, Fearing says, so “we had been working on exploring a hybrid locomotion mode, where flapping wings and legs combine to propel the robot.” Once they had added wings to DASH, they realized that it might be a useful tool for settling evolutionary questions.

landscapelifescape:

Olympic National Park, Washington State, USA

(by landscape photography - sebastien-mamy.fr)

officer-stinkah:

My Takraw ball.