martin leenders

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Finally! A 4K TV You Should Own

The Samsung JS9500 has arrived just in time<p>Building a home entertainment center is a lot like building a house: You need a solid foundation--and that’s your television. If you’re starting from scratch, you’ll want a TV that will last more than five years, which means going with the …

What is USB Type-C?

If you’ve bought a new smartphone in the past couple of years, chances are it has a new port used for charging and possibly even audio. It’s called USB Type-C and as you’ve probably noticed it plugs in the first time, every time thanks to its reversible design.<p>There’s much more to this new …

USB Type-C

Forget 3D Printing, 3D Sketching Looks Awesome - Technabob

3D printing is all the rage right now, and I’m mildly (read: dangerously) obsessed with it. It’s an awesome tool for design and engineering, which …

Watch a 17×17×17 Rubik’s Cube Being Solved - Technabob

Are you ready to watch a monster 17×17×17 Rubik’s cube get solved by some Mensa genius? Me too. Watch as Kenneth Brandon, a Rubik’s Cube pro, solves …

Time-lapse Photography

Raspberry Pi Model A+ Revealed: Smaller and Just $20

<i>Update: We’ve got them in the Maker Shed!</i><p>This morning, the Raspberry Pi Foundation took the wraps off of their newest creation, the Raspberry Pi Model A+. Just as the original Model A was a stripped-down version of the Model B, the new A+ inherits the many improvements from the Model B+, but in a …

An All-Liquid Battery For Storing Solar And Wind Energy

Making alternative energy cheaper and more reliable<p>You could call it a rainy-day fund. A team of MIT researchers has built an all-liquid battery prototype that's designed to store excess energy from solar and wind power plants. When the sun isn't shining, or the wind isn't blowing, future versions …

How To Make Ferrofluid At Home

Ferrofluid is one of the neatest things to see in action. Suspending liquid through the use of magnets? Super neat! Ferrofluid is a colloidal suspension of ferrous, which contains iron, and a liquid. (Some kind of oil since we all know what happens when you mix water and iron).<p>There are generally …

Fast-charging batteries will power your gadgets for 20 years

Fast-charging batteries are all nice and good, but the lifespan matters, too -- why should you have to replace power packs (or entire devices) every couple of years ? You may not have to give up performance <i>or</i> longevity if researchers at Nanyang Technology University have their way. They've …

Etching Permanent Volume Markings on a Kettle

It's easy and safe — use a 9V battery, vinegar, and salt to permanently etch markings on metal.<p>As a homebrewer I often need to measure my kettle volumes at various stages during the brew day — to figure out my brewing efficiency, or monitor evaporation rates, or compare boil volumes to what my …

Stainless Steel

Arduino Leaks a Peek of Their Upcoming 3D Printer

Arduino, known for creating an easy-to-use microcontroller revolution, is about to launch its own 3D printer.<p>The Arduino Materia 101 made its global debut earlier today on the official Arduino twitter account with a photo of a boxy white and teal FDM printer and a note that Arduino co-founder …

New York scientists unveil 'invisibility cloak' to rival Harry Potter's

ROCHESTER N.Y. (Reuters) - Watch out Harry Potter, you are not the only wizard with an invisibility cloak.<p>A cloaking device using four lenses developed by University of Rochester physics professor John Howell and graduate student Joseph Choi is demonstrated in Rochester, New York in this September …

Scratch Duino Arduino Open Source Robot With Easily Mounted Magnetic Sensors (video)

Makers, hobbyists and education establishments that have ever wanted to build their own robot, complete with a variety of different sensors. Are sure …

Arduino

iPhone 6 Plus Teardown Courtesy of iFixit (video)

Today Apple has made their new range of iPhone devices available to purchase in the form of the iPhone 6 and its large screened iPhone 6 Plus, that …

Gear & Gadgets

Stromer ST2 Electric Bike

Electric bikes are a great mobility solution, but they're only as good as their battery and motor. So it's a good thing that the Stromer ST2 Electric …

Electric Vehicles

Watch the iPhone 6 get smashed in drop tests

It’s the first day the iPhone 6 has been out in the wild, and what do people do? They smash it! They call them “Drop Tests,” aimed in some cases to …

Mobile Technology

Look out, Thunderbolt: USB Type-C and DisplayPort are coming for you

USB Type-C won’t just address the perennial frustration of trying to plug in your charger upside-down, but also double as a DisplayPort connection in …

ion SmartScooter Electric Scooter Is The Ultimate Last Mile Ride (video)

If you are looking for a portable vehicle in the form or an electric scooter to take you the last mile to work or just for fun.You might be …

Electric Vehicles

In 10 Years, Tiny Flying Robots Could Pollinate Crops Instead Of Real Bees

Other scientists are pursuing a different tack: replacing bees. While there's no perfect solution, modern technology offers hope.<p>Last year, Harvard University researchers led by engineering professor Robert Wood introduced the first RoboBees, bee-size robots with the ability to lift off the ground …

India plans to build the world's largest floating solar farm

Solar farms need three things: sunlight, photovoltaic panels and a huge expanse of land. It's the third in that list that's hampering green efforts in countries like India, where space is scarce and therefore very expensive. That's why India is copying Japan's (pictured) idea of building floating …

These Islands Are Sucking Up Pollution From The Water They're Floating In

Floating islands that double as water treatment plants keep water clean without sullying nice views.<p>Wetlands are known for their ability to clean water: their thick vegetation traps excess nutrients (which cause algae blooms) and heavy pollutants, and help keep waterways free and clear. But, of …

The Future Television Will Be Paper Thin and Rollable, LG Says

Perhaps in a few years we'll see people carrying around their rolled-up televisions the way they used to carry newspapers.<p>LG Display unveiled a paper …

This Tiny Tool Could Be Used To Stop Teens From Texting While Driving

On Wednesday, Cuomo signed off on Esurance's plan to offer a device called DriveSafe free to all Esurance customers. While there's no shortage of apps that can disable a driver's smart phone (the military and even churches have been jamming cell phone signals for a while now), DriveSafe is a …

This Electric Bicycle Could Be The Future Of Transportation

The bike wasn't just moving, it was <i>pushing</i>, adding extra propulsion to my own pedaling, giving me a boost with every revolution of the pedals. Faster than expected, I reached the end of a quiet block leaning into a corner. I took a straightaway for a few blocks and pushed 20 miles an hour without …

Tales of the Dead Come Back: How Modern Medicine Is Reinventing Death

"Death travelers" are bringing back stories of life beyond death.<p>They can fly through walls or circle the planets, turn into pure light or meet long-dead relatives. Many have blissful experiences of universal love. Most do not want to return to the living. When they do, they're often endowed with …

10 things you need to know about sustainable agriculture

In a recent live chat, a panel of experts joined readers online to discuss the future of sustainable agriculture in the face of changing weather driven by climate change and increasing competition for food. Here are 10 things we learned:<p>1. We shouldn't just "accept" climate change<p>Just because …

Agriculture

Pesticide in Home Depot plants linked to honey bee deaths

More than half the flowering plants sold at Home Depot stores in three Canadian cities contain the neonicotinoid pesticide linked to deaths of honey bees and other pollinators, according to a new study.<p>The findings are part of a report by environmental group Friends of the Earth that tested plants …

Is it time to move away from silicon-based solar?

The cost has come down, efficiency has stagnated, and we may have alternatives.<p>CHICAGO—Currently, the world has the capacity to manufacture over 40 …

Password leak in WeMo devices makes home appliances susceptible to hijacks (updated)

Belkin devices can be remotely commandeered using firmware update mechanism.<p><b>Update:</b> Seven hours after this article was published, Belkin …

Steve Jobs threatened Palm’s CEO, plainly and directly, court documents reveal

Another lesson from the Silicon Valley wage theft suit, which I first reported here, is what can happen to even powerful tech CEOs who make the fatal …