jhon a pulgarin

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Mosquitoes in extreme close-up

With the help of an electron microscope, zoom in for an extreme close-up on the leg, proboscis and antennae of the enemy of a good night's sleep and …

DARPA's New Biotech Unit Will Try to Create New Life Forms

Also: disease detectors and brain-controlled drones.<p>Artist concept of the inside of a cell. Image: DARPA<p>Ye sci-fi writers hard up for new material should spend an hour or so perusing the Defense Department's 2015 budget proposal, especially the section covering the far-out research projects …

Biotechnology

Missiles And Rockets Might Soon Smell Like Pine Trees

Genetic engineers have coaxed bacteria to brew high-energy pinene biofuel.<p>In an effort to launch things skyward in a more sustainable way, researchers have coaxed bacteria to produce a highly combustible compound called pinene. Conifers naturally excrete the stuff in their resin, lending the plants …

A Photographic Exploration Of The Oldest Living Things In The World

For nearly a decade, photographer Rachel Sussman has been traveling the globe in search of the world's oldest living things. From the Mojave Desert to the Australian Outback to Greenland's icy expanses, she captures portraits of life forms so relentless they've managed to survive eons of planetary …

Custom Chromo: First Yeast Chromosome Built From Scratch

Using the labor of dozens of undergraduate students, scientists have built a customized yeast chromosome from scratch.<p>It's a milestone in the rapidly growing field of synthetic biology, where organisms can be tailored for industrial use. In this case, the near-term goal is to understand the …

Woman Has Her Skull Replaced With A 3-D-Printed Plastic One

The most significant skull prosthetic to date<p>A woman with a rare bone disorder has had much of the top of her skull replaced with a 3-D printed plastic piece, <i>Wired U.K.</i> reports. Three months later, she's symptom-free and back to work.<p>The woman's condition made her skull increase in thickness, …

3D Printing

International Team Of Scientists Find 'Navigation Maps' For Human Genome

By Kate Kelland<p>LONDON (Reuters) - A large international team of scientists has built the clearest picture yet of how human genes are regulated in the vast array of cell types in the body - work that should help researchers target genes linked to disease.<p>In two major studies published in the journal …

The World Consumes More Than 11 Million Pounds Of Food Every Minute Of Every Day (PHOTOS)

We always knew we had a big appetite, but thanks to the World Food Clock -- an interactive infographic by White Vinyl Design -- we can finally see just how hungry we are. Globally, we eat 11.5 million pounds <i>of food in just sixty seconds</i>. To put that into terms we can understand, that's about 20 …

A Telescope That Finds Stars For You

Eyes to the skies<p>For non-astronomers, stargazing may seem simple: Just plop down a scope, and peer toward the heavens. It’s usually not quite that easy. Scopes can be tricky to set up and celestial objects elusive. The Celestron Cosmos 90 GT uses a Wi-Fi connection with a smartphone to do the hard …

New Computer Program Creates 3D 'Mugshots' From DNA

Leaving a hair at a crime scene could one day be as damning as leaving a photograph of your face. Researchers have developed a computer program that can create a crude three-dimensional (3D) model of a face from a DNA sample.<p>Using genes to predict eye and hair color is relatively easy. But the …

Transformer-like suit lets you lift 110 pounds -- with each hand

An Italian engineering company has created a robotic exoskeleton that gives wearers superhero powers. But this one has a weak spot that Crave's Michael Franco spots in an instant.<p>It lets you lift up to 220 pounds like you're lifting a baby. It has 22 different points of movement. And it makes you …

Robotics

The U.S. Constitution On A Receipt And Other Amazing Images From This Week

Sit and Stand Walking Assistance System for Better Recovery Process

<b>“Sit & Stand”</b> is a hands-free walking assistance device for people with temporary foot, ankle or leg injuries. This product’s unique design allows …

Altar by Mr & Mr

Rather than label themselves as a design studio or designer duo, Alexis Lautier and Pierre Talagrand of Montpellier, France-based Mr & Mr prefer to call themselves "maison d’édition indépendante" or an independent editing house. "We are designers and editors—the border in between the two is not …

Design

The Ultimate Off-Road Racer

The Duality concept vehicle ambitiously attempts to blur the lines between off-road SUV and race car. But how does it harmonize these extremes? The …

Everything you need to know: The polar vortex

The polar vortex never seeps into your house, to freeze you and your family inside. It can’t do that because it stays in the mid to high …

How Autodesk Helped Create An Incredible New Technique For 3-D Printing Metal In Midair

Autodesk and designer Joris Laarman are introducing the next wave in manufacturing: large-scale, affordable, digitally fabricated metal structures.<p>We can 3-D print myriad plastic goods, fabric for apparel, burritos, candy, and perhaps in the not-so-distant future, human organs. Metal–the material …

3D Printing

In the Details: Making a 3D-Printed Product Line That Doesn't Look Like It Was 3D-Printed

While desktop 3D printers have made rapid prototyping at home as easy as the push of a button, that accessibility comes at a price—a much lower level …

3D Printing

This Full-Color 3-D Printer Sounds Too Good To Be True. Is It?

Popular Science sat down with botObjects to ask some questions about their controversial 3-D printer. We left with some answers, and some new questions.<p>Back in May, a startup called botObjects unveiled what seemed like a stunning consumer gadget: the world's first full-color, desktop 3-D printer, …

Meet The People Who Want To Print A Home In A Day

The open-source construction system WikiHouse could upend architecture as we know it.<p>On a cold, gray day in central London, Alastair Parvin is staring at a coffeepot, or what used to be one before he took it apart to clean it. The appliance lies strewn across an office table, a wreck of wet steel …

Soldier controls bionic arm using power of thought

Andrew Garthwaite, wounded fighting Taliban in Afghanistan, masters prosthesis after two years of therapy<p>A soldier whose arm was blown off by a rocket-propelled grenade in Afghanistan has become the first person in the UK to master a prosthetic limb controlled by thought.<p>Corporal Andrew Garthwaite, …

Make An LED Holiday Light Out Of Pennies

And a lemon, and some other stuff. But mostly pennies.<p>Skip the tangled strings of holiday lights this year and go wireless using a few copper-coated cents. U.S. pennies minted since 1982 conceal a zinc core. If exposed to acid, the zinc dissolves and frees electrons for use in a circuit. The …

Lemon Juice

A 3-D Printer That Uses the Sun to Create Glass Objects Out of Sand

Marcus Kayser's Solar Sinter project turns the desert's resources into bowls<p>When design student Markus Kayser wanted to test his sun-powered, sand-fed 3-D printer, he knew the gray skies outside his London apartment wouldn't do. So he shipped the 200-plus-pound contraption to Cairo, Egypt, flew …

Hypnosis: You are getting sleepy ... and calm, and thin, and ...

Ever wonder why some people, even under adverse circumstances, set goals and achieve them effortlessly? Some of them, undoubtedly, are hard-wired to succeed. They just set themselves in a direction and their mind handles the rest.<p>But that ability is atypical; most of us, at one time or another, are …

Kinect-style 3D camera sees translucent objects

Graphene - the new wonder material

Scientific interest rolls in for a material that is more solid than steel and a better conductor than copper<p>The molecule is priceless but it is not a matter of cost – a few hundred dollars per kilo. The value lies in its potential. The molecule in question is called graphene and the EU is prepared …

This Man Thinks He Can 3-D Print An Entire House

Scientists already are working on 3-D printing organs. If we can do that, a house should be easy.<p>While enthusiasts believe that there will eventually be a 3-D printer in every home, University of Southern California professor Berokh Khoshnevis has spent the last decade working on a far bigger …

3D Printing

Researchers Create Telescopic Contact Lens That Provides ‘Superman-like’ Magnified Vision

Researchers at the University of California San Diego have created a telescopic contact lens that allows wearers to magnify their vision up to 2.8 …

Contact Lenses

Resonance Experiment! (Full Version - With Tones)

How Chemistry Works, in Gorgeous 19th-Century Diagrams

<b>Edward Livingston Youmans</b> (June 3, 1821–January 18, 1887), best-remembered as the founder of <i>Popular Science</i> magazine, was one of history’s greatest science writers and editors. Besides pioneering what Richard Feynman has termed “the role of scientific culture in modern society” with his …