César A. Fernández

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Of course, most of us are not quite so energetic during sleep—but our brains are busy nonetheless. While our bodies are at rest, scientists theorize, …

Disney Research makes HDR videos work better on regular TVs

Disney Research has found a way to preserve the awesome quality of high-dynamic range or HDR videos when they're shown on consumer-level TVs and displays. See, HDR videos can show shadows and light better than footage taken by conventional equipment can -- in fact, the setting's purpose is to …

Here's a machine that turns water into synthetic gasoline

Even with the amount of electric vehicles we've seen lately, it's likely going to be a long time until they completely replace traditional combustion engines on the road. So how are we going to get away from pricey fossil fuels until then? Well, water could be a possibility. German company Sunfire …

Fast Charging Batteries that last 20 Years? - Hacked Gadgets – DIY Tech Blog

Apple is famous for making nice looking products that are practically sealed for life even though many of us consider the internal battery a …

How to Print a Super-Thin Touchscreen Display on Just About Anything

We've kept a close eye on the 27th ACM Symposium on INTER Software and Technology in Honolulu this week, given that it's already produced dozens of …

Prototypes

How A Guy Who Failed Physics Is Reinventing Higher Education

EdX CEO Anant Agarwal is digitizing his teaching—and every student can benefit.<p>As a freshman at the Indian Institute of Technology Madras in the late 1970s, Anant Agarwal was one of the only students to fail the physics midterm. The setback, he recalls, made him see that his small high school in …

Is A Simulated Brain Conscious?

Scott Aaronson's answer has implications for C-3PO, the universe and the odds that you are a Boltzmann Brain.<p>Imagine standing in an open field with a bucket of water balloons and a couple of friends. You've decided to play a game called "Mind." Each of you has your own set of rules. Maybe Molly …

The Zip Tie Lounge Chair

Transform 44 cable fasteners and a half-sheet of plywood into a streamlined lounge chair that’s perfect for the nomadic maker.<p>The iconic Steam-Bent Chair No. 14, invented by Michael Thonet in 1859, was the first flat-pack furniture kit. It was shipped across Europe on then-new railways, becoming …

How to Pack a Jar Salad

<i>As a defiant response to Sad Desk Lunches, the Food52 team works to keep our midday meals both interesting and pretty. Each week, we'll be sharing our happiest desk lunches -- and we want to see yours, too.</i><p><i>Today: Another -- and arguably the best -- use for your mason jar.</i><p>Last week, I spilled a jar …

IBM cracks open a new era of computing with brain-like chip: 4096 cores, 1 million neurons, 5.4 billion transistors - ExtremeTech

By on August 7, 2014 at 2:00 pm<p>This site may earn affiliate commissions from the links on this page. Terms of use.<p>Scientists at IBM Research have …

Cognitive Computing

Cómo expandir los pines de Arduino

Bienvenidos a este tutorial en el que explicaremos cómo conseguir más pines útiles en nuestra placa Arduino. Todos los entusiastas de Arduino que …

How To Emulate Rare and Retro Platforms on the Raspberry Pi

It’s quite likely that most Raspberry Pis in the wild are running Raspbian, the stock operating system that’s based on the Debian distribution of Linux. And if you’ve gone through the Raspberry Pi NOOBs installation process, you’ll know that there are a few other choices for operating systems such …

Using Surface Mount Devices On A Breadboard

[Czar] was working on a project with the Raspberry Pi using the MCP3008 analog to digital converter. The surface mount SOIC version of this chip was …

Slingshot o como dar agua a millones de personas

En un primer vistazo, el contenedor rojo brillante al lado de la carretera de un barrio pobre a las afueras de Johannesburgo no se ve como algo que …

Goliath: One Drone to Rule Them All

We see quadcopter projects all the time here on Hackaday, so it takes something special to get our attention. [Peter McCloud] has done just that with …

The Week In Numbers: A Bionic Pancreas, A Universal Water Purifier, And More

<b>250,000 liters:</b> the volume of water a single, mini-fridge-size Slingshot machine purifies in one year. That's enough for about <b>300 people</b>. Slingshots are able to purify even seawater and sewage.<p><b>288:</b> the number of times a day this experimental bionic pancreas checks the blood-sugar level of its …

Los abdominales que quitan tripa

Ha llegado la hora de decirle adiós a tu inseparable tripita y dar la bienvenida a un vientre plano. Tras leer nuestro especial "pierde grasa" seguro …

Turn Empty Beer Cans Into Sun-Tracking Cameras

Best use of a six-pack in a while<p>In a world of digital cameras and instant gratification, photographer Justin Quinnell embraces pinhole photography, a technique hundreds of years old. He uses beer cans and photographic paper to record the gradual shift in the sun’s path over the course of several …

Making OLEDs In The Kitchen Sink

When [Ian] first set out to create a homebrew OLED, he found chemical suppliers that wouldn’t take his money, manufacturers that wouldn’t talk to …

Scientists Make Hair-Growing Cells From Ordinary Skin Cells

It's a step toward curing baldness with stem cells made from a person's own skin.<p>Bald? A team of stem cell scientists has made an advance that's a step toward being able to regrow your own natural hair, using samples of your skin.<p>The scientists took adult human skin cells and transformed them into …

Alt-week 01.26.14: Hawking says there are no black holes, and a 3D printed liver could be on the way

<i>Alt-week takes a look at the best science and alternative tech stories from the last seven days.</i><p>Science. What good is it if the end result is Robosapien and a sweet 3D printed phone cases? Thankfully, there are great minds at work to put it to far better use. Like robo-legs and 3D printed body …

The Art of “Creative Sleep”: Stephen King on Writing and Wakeful Dreaming

<i>“Sleep is the greatest creative aphrodisiac,”</i> a wise woman once said. Indeed, we already know that dreaming regulates our negative emotions and “positive constructive daydreaming” enhances our creativity, while a misaligned sleep cycle is enormously mentally crippling. But can a sleep-like state in …

LIDAR With LEDs For Under $100

If you need some sort of distance sensor for your robot, drone, or other project, you have two options: a cheap ultrasonic sensor with limited range, …

How To Overcome Self-Doubt And A Lack of Motivation

You don’t feel like doing anything, you’re in a rut. Here are some possible solutions to help you get back on your feet.<p>This morning I didn’t feel like doing anything. It’s a combination of overtiredness from a few days of hard work, and a lack of sleep last night.<p>I couldn’t motivate myself to do …

Hablar como un alemán en 10 frases

¿Cuántas veces, hablando un idioma extranjero, <b>nos quedamos sin palabras</b> y rellenamos con “ehhh”, “uhmmm”, “esto….” porque no sabemos exactamente qué …

Convert optical mouse into Arduino web cam

Franci has written this tutorial describing the process used to convert a mouse into an Arduino web cam. In addition to the Arduino, all you need are …

Raspberry Pi Wall Calendar

Do you let Google know every aspect of your personal and social life? Do you have a spare LCD monitor kicking around? Why not make your own Raspberry …

Welcome to Life N Gadget

Wearable tech is all about cool gadgets that you can wear to enjoy the powers of technology in your everyday life. Here are some of the latest …