Jader Feijo

44 Flips | 3 Magazines | 1 Like | 8 Following | @jaderfeijo | Keep up with Jader Feijo 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 “Jader Feijo”

Earth’s Hum: Scientists Record the Very Sound of Earth—But Don't Know Why It Happens

Scientists have recorded the mysterious sound of the Earth deep underwater for the first time. The eerie hum could be key to understanding the makeup …

This Duck-Like Dinosaur Could Swim. That Isn’t the Strangest Thing About it.

If it looked like a duck, did it swim like a duck?<p>Paleontologists studying an unusual fossil have identified a new dinosaur, related to the velociraptor, that had a neck like a swan, a snout like a goose and forelimbs like flippers. The creature’s hodgepodge of features — so strange that extra work …

University of Maryland

The Great Filter theory suggests humans have already conquered the threat of extinction

It's difficult to not be pessimistic when considering humanity's future prospects. Many people would agree that it's more likely than not that we'll …

God did not create Universe: Hawking

God no longer has any place in theories on the creation of the Universe due to a series of developments in physics, British scientist Stephen Hawking …

Schrödinger's microbe: physicists plan to put living organism in two places at once

A radical demonstration of quantum theory could see a bacterium suspended in an uncertain state similar to that famously endured by Schrödinger’s cat<p>Physicists have drawn up plans to put a living organism in two places at once in a radical demonstration of quantum theory.<p>The scientists aim to …

Quantum Physics

These Knobs and Sliders Turn an iPad Into a Custom Tactile Interface

There's a good reason why so many of us still prefer mechanical keyboards and real control boards despite the availability of touchscreen interfaces: …

Quantum bounce could make black holes explode

If space-time is granular, it could reverse gravitational collapse and turn it into expansion.<p>Black holes might end their lives by transforming into …

A Transparent 7-Segment Display

Though [Connor] labels it as a work in progress, we’re pretty impressed with how polished his transparent 7-segment display looks. It’s also …

Internet Controlled Power Outlet using a Raspberry Pi - Hacked Gadgets – DIY Tech Blog

Jack Minardi hacked a remote control to allow it to be controlled by an electronic signal rather then a push button. This remote allows him to take …

Open Guitar Pedal - Hacked Gadgets – DIY Tech Blog

If you are a guitar player and like tinkering with electronics this Open Guitar Pedal will probably be of interest.<p>“The shield has three parts:<p>The …

Raspberry Pi Tablet — The PiPad

[Michael Castor] wanted a tablet, but not just any tablet. He wanted an all-in-one system running Linux, and he wanted it to look good. So he made …

USB Charger Solves Mongolia Electricity Problem

People living in remote areas of Mongolia do not have access to electricity or gas, and rely on traditional wood stoves for their homes, which are …

3D Printed Jet Engine - Hacked Gadgets – DIY Tech Blog

Flirtey – Autonomous Hexacopter Delivery Platform - Hacked Gadgets – DIY Tech Blog

If you are in Australia don’t look to the street for your package delivery, look to the sky! A company called Flirtey is developing a robust …

Arduino RC Car - Hacked Gadgets – DIY Tech Blog

Ball-Balancing Robot - Hacked Gadgets – DIY Tech Blog

So if making a robot that can be remotely controlled wasn’t a tough enough challenge the guys over at Ufactory decided to make one that can roll …

Gravity-Powered Generator: Real or Fake?

You thought we forgot about your favorite Hackaday comment game, didn’t you? Well, not only is ‘Real or Fake?’ back with a new installment, but this …

Smartphone Controlled Paper Plane!

We’ve heard of making remote controlled paper airplanes before, but it looks like someone finally figured out one of the best ways to do it. It’s …

Levitating Wireless LED Ring

Here’s an impressive example of a completely home built magnetic levitation setup… with wireless power transmission to boot!<p>[Samer] built this from …

Sniffing Data from Radio-Controlled Bus Stop Displays

A few weeks ago in Finland [Oona] discovered a radio data stream centered around 76KHz in a FM broadcast and she recently managed to decode it. This …

8-Bit Video Game is Best of Retro Gaming on a Shoestring Budget

[Petri] wrote in to show off the 8-bit gaming system and original platformer which he and [Antti] developed. Don’t get us wrong now, it’s impressive …

Generating electricity from alcohol

Here’s a thermoelectric generator which [x2Jiggy] built. The concept uses heat from a flame, biased against cooler temperatures produced by that huge …

This piggy bank is our stock broker

[Johna and Justin] are working to take the emotion out of playing the market. They built this piggy bank which automatically purchases stock when …

Connect a Retina display to a regular computer

You don’t have to search very long before you find someone raving about the Retina display used in Apple iPads. We’re not going to disagree. These …

Acrobatic tricopter inspired by the Oblivion movie trailer

There have been a ton of commercials for the new [Tom Cruise] movie called <i>Oblivion</i>. One of the main points in every clip we remember seeing is the <i>Top</i> …

Scratch-built 3D printer shows rock-solid performance

These days it’s super-easy (not super-cheap) to go out and buy a 3D printer. But if you’ve got the mad skills like [Mario Lukas] maybe you can build …

Wifi Pineapple project uses updated hardware for man-in-the-middle attacks

We’ve seen this small, cheap, and powerful WiFi router before. But this time it’s up to no good. [Andy] used a TP-Link WR703N to build an upgraded …

Microsoft IllumiRoom breaks your video game out of its television prison

We see a lot of video game tech coming out of the three console giants (Microsoft, Sony, and Nintendo). With one look we can usually predict what is …

Quadruped walks of four legs, rolls on four treads

This robot doesn’t know if it’s a walker or a tank. It’s the brain-child of [Marc Hamende] who works as a mechanical engineer by day and mad …

Raspberry Pi housed inside a computer monitor

Behold, something we’ve always wanted. [Matthieu] mounted his Raspberry Pi board inside of a computer monitor. His work makes for the cheapest …