City Stream

James Turrell's light prints, a $1 microscope, contamination-detecting chopsticks and more in our weekly look at the web

Chinese painter Lu Xinjian creates mind-bending abstract images of city streets in “City Stream,” a series of urban impressionism paintings that are somewhat reminiscent of Magic Eye puzzles. Using basic shapes and colors, the jumble of geometric abstraction comes to life after a closer look, depicting cityscapes extruded from ariel views of streets and architecture throughout Shanghai. The images are at once 2D and 3D, …

$1 Fold-Up Microscope

James Turrell's light prints, a $1 microscope, contamination-detecting chopsticks and more in our weekly look at the web

Using a special printer and a drop of optical-quality glue, Stanford University bioengineer Manu Prakash has invented a way to turn a piece of paper into a microscope. The printer prints a precise diagram instructing how to fold the paper, and the glue acts as a lens. With a little effort, a microscope is created—and all for under a dollar. With applications from schools to …

Freezing Out Death

James Turrell's light prints, a $1 microscope, contamination-detecting chopsticks and more in our weekly look at the web

Over the course of six hours, Patrick Savage experienced seven cardiac arrests with his heart fully stopping for a total of 90 minutes—yet he survived. Doctors used an experimental and possibly revolutionary technique once thought reserved for science fiction: therapeutic hypothermia. Covering Savage’s body in cold packs and pumping chilled saline through his body to draw out any remaining heat slowed his metabolism and halted …