Peter Zeleniak

11 Flips | 3 Magazines | 6 Likes | @pzeleniak | Keep up with Peter Zeleniak 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 “Peter Zeleniak”

3D-printed drill is smaller than a quarter, and it actually works!

We’ve seen some amazing 3D-printed things these days. From sonic art installations to human noses ready for transplant, the 3D printers of today know …

Cheap, spray-on solar cells developed by Canadian researchers

Silicon-free solar cells, light and flexible enough to roll up or use as window blinds, are under development at a University of Alberta lab.<p>The …

A day at Genius Camp: getting dumb in Einstein's paradise

My eyes are glazing over. It’s been less than 10 minutes since I slinked into the last row of chairs inside this makeshift outdoor auditorium, where a young woman with a tightly-bound ponytail and a sharp German accent is motoring through a series of PowerPoint slides. <i>Holomorphic modular forms. A</i> …

Despite Many Warnings, Antibiotics Are Still Overprescribed

We've known for years that antibiotics don't help in most cases of bronchitis or sore throat. And for decades, public health officials have tried to stop doctors from overprescribing antibiotics.<p>None of that seems to have made a difference, though: Antibiotics are still being prescribed when they …

Cracking Open Encryption Standards

Recent revelations about the extent of NSA surveillance have put even the standards by which encryption systems are designed into question. Encryption experts Matthew Green, Phillip Zimmerman, and Martin Hellman discuss what makes a code secure and the limits of privacy in the modern …

'Countdown' Explores the Effects of Our Overpopulated Planet

The global population is projected to reach 10 billion by 2050. In his new book, Countdown: Our Last, Best Hope for a Future on Earth?, author Alan Weisman asks how we got here, how many people the planet can support, and what we can do to stabilize growth. Weisman tells SciFri how cultural, …

Secure Email Options for Message Privacy

It's shockingly, disturbingly easy for the government to snoop on your emails. Here are your weapons in the fight for secure email.<p>Many of us had assumed our feeble Gmail passwords were secure enough to keep prying eyes out of our email accounts. (I used a letter, a number, <i>and</i> a symbol!) But with …

This zoomable map displays race of every US resident

A new interactive map lets you zoom in to view the racial diversity and population density of every neighborhood in the United States.<p>The map, which …

Quantum system teleports an atom

For the first time, physicists have transmitted an atom from one location to another inside an electronic chip.<p>The findings could lead to larger …

In China, Avoiding The 'Great Firewall' Internet Censors

In China, the Internet isn't the free-for-all that it is in the United States. China's communist government censors what's published and some of what's shared online. But some citizens are working around government censors by using agreed-upon "public" code.<p>Transcript<p>JACKI LYDEN, HOST:<p>In the U.S., …