Greg Stewart

20 Flips | 5 Magazines | 87 Likes | 1 Follower | @gbs2014 | Keep up with Greg Stewart 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 “Greg Stewart”

Virgin Galactic's spaceplane hits new heights in second powered flight

Where some private space companies, such as Blue Origin, imagine firing tourists into space with conventional launch vehicles that blast off from the …

How to: Turn a Raspberry Pi into a VPN server

A guide to building an encrypted connection to your home network from anywhere.<p>With a VPN server plugged into your router, you can create a secure, …

A Dutch Solar Bike Lane Produced Enough Energy to Power Homes for a Year

Last October, the Dutch town of Krommenie installed an unusual bike lane. Along a 328-foot bike path, solar cells were embedded inside tempered glass …

How to make sure your green home upgrades pay off

Investing in making your home more energy efficient can help the environment, lower your utility bills and possibly help you fetch a higher sale price.<p>But homeowners considering a green remodel should also weigh how long it will take for the improvements to reap savings. Some pricey features, like …

This Raspberry Pi handheld wants to be every gadget in the world

Chances are, you've already got a versatile computer in your pocket -- smartphones play music, record video, play games and more -- but what if it was smaller, open source and completely hackable? Then you'd have something like the Poco "supercomputer," a portable media device with the footprint of …

Canadian, World, Politics and Business News & Analysis

Holy Smoke! New Raspberry Pi Zero Costs Just $5…

The Raspberry Pi Foundation has upped the ante when it comes to low cost single board computers, announcing a new addition to its family of microprocessors today, called Pi Zero. And it costs… just $5. (£4 in the U.K.)<p>Or it <i>should</i> cost $5, albeit you may have to shop around the various Pi resellers …

Li-Fi: 100 times faster than Wi-Fi, tests prove

Li-Fi, a super-fast alternative to Wi-Fi, has been proven capable of sending data at up to 1GBps in real-world tests.<p>At that speed, 100-times faster than current Wi-Fi technologies, a high-definition film could be downloaded in a matter of seconds.<p>In a pilot scheme carried of by Estonian start-up …

Nasa orders first private crewed mission to the Space Station

Nasa have ordered a commercial crew mission from SpaceX -- the first of its kind.<p>SpaceX, Elon Musk's private spaceflight company, will now aim to …

Spirit Rover: Trapped by the Sands of Mars

The promised warranty on the Spirit rover was 90 Martian days (or "sols"). It ended up lasting more than 2,200 sols and gave a window into Mars' …

Space

TwitiKa.com

Surprising new study suggests that flying may be greener than driving

By Chris Mooney<p>, Reporter<p>If you want to live a green and energy conscious lifestyle, then the travel or transportation choices you make are crucial. That’s because travel uses a great deal more energy than, say, spending time at home, or cleaning, or eating.<p>So what should you do when Thanksgiving …

USDOT

Ditch the Paper and Increase Productivity With These Six Apps!

<i>This is part of the "Increased Productivity" series where experts in productivity, brain training, and business success share the techniques and tools they couldn't live without.</i><p>Going paperless has probably been an agenda item in most offices for several years now, but somehow it never quite seems …

Apps

Mapping the far side of the moon

As the moon orbits the Earth, we only ever see the one side. This is because the moon is tidally locked -- a single rotation of its axis takes the same amount of time as a single orbit around the Earth, so that the same side is always facing the Earth.<p>This means that the far side of the moon is a …

The U.N. Just Gave Us an 85-Year Deadline on Global Warming

There’s no doubt that climate change is real, and staving off its worst effects will likely require humanity to get its net greenhouse-gas …

Should We Stop Teaching Calculus In High School?

Math education needs a reboot. Kids today are growing up into a world awash in data, and they need new skills to make sense of it all.<p>The list of high school math courses in the U.S. hasn’t changed for decades. My daughters are taking the same courses I took long ago: algebra, geometry, …

Samsung Gear Live smartwatch will run Google's Android Wear software

Samsung is launching a smartwatch running Google's Android Wear software. Its Gear Live will go on sale later today, from the Google Play store.<p>The news was announced during the keynote session of Google's I/O developer conference in San Francisco, where the company also confirmed that LG's …