maomao zhang

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Can you solve Martin Gardner’s best mathematical puzzles?

The maestro of recreational maths was born 100 years ago today. Here we celebrate his birthday with eight of his most celebrated puzzles

Students: How to make the money stretch for eight months

A student's budget is one of the most challenging there can be.<p>That's the view of Teresa Alm, associate university registrar at Queen's University in Kingston, Ont., as she talks point blank about the costs, fees and living expenses a student faces.<p>A lot of the problems begin with the students, …

The hunt for a mystery sub. The Swedish corvette HMS Visby navigates on Mysingen Bay, as the search for a suspected foreign vessel enters its fifth day in the Stockholm archipelago. The Swedish military said Sunday it had made three credible sightings of foreign undersea activity in its waters during the past few days amid reports of a suspected Russian intrusion in the area: http://ow.ly/D5BVk Photo by Fredrik Sandberg of the TT News Agency.

The Price of Staying Alive For the Next 3 Hours

How much do you reckon you’d pay not to be dead three hours from now? That probably depends. If you’re 25 and healthy, a whole lot. If you’re 95 and …

Public Health

The Simple Trick That Can Boost Your Confidence Immediately

Smile, don't slouch. And don't cross your arms. Your parents probably taught you to use certain body language to appear friendly and polite.<p>But new research shows that your body language does much more than change the way other people see you -- it can change how you see yourself. Psychologists …

Registrant WHOIS contact information verification

Nixie – The First Wearable Camera That Can Fly

If you’re saving wrist space for the Apple Watch, you might have to free up the other wrist for Nixie. Nixie is the first wearable camera that can …

Lockheed says makes breakthrough on fusion energy project

WASHINGTON (Reuters) - Lockheed Martin Corp said on Wednesday it had made a technological breakthrough in developing a power source based on nuclear fusion, and the first reactors, small enough to fit on the back of a truck, could be ready for use in a decade.<p>The magnetic coils inside the compact …

Can we colonize Mars?

What would a martian habitat look like? And how would we handle food shipments and radiation management?

Nick and Tesla’s Super-Cyborg Gadget Glove - review

Only a week or so has passed in the Nick and Tesla story arc, so as you might expect, things haven’t changed much from the last book. In the newest instalment to be published, Nick and Tesla’s Super-Cyborg Gadget Glove: A Mystery with a Blinking, Beeping, Voice-Recording Gadget Glove You Can Build …

U.S. soldiers secretly struggled with Iraq’s cache of chemical weapons for years — now ISIS may have found some of it

In accordance with the New York Times licensing agreement, this article has been removed. You can still view it here.

The Ebola bogeyman

The West has finally awoken to the Ebola crisis. Now if only it could offer more than fear and hysteria.<p>Imagine you are woken by your neighbours …

Disease

Poodle: SSL 3.0 bug is the newest threat to web security

Three Google Inc researchers have uncovered a security bug in widely used web encryption technology that they say could allow hackers to take over …

Information Security

Is The Chinese Game Industry Years Ahead Of The West?

<i>This is a guest post written by Jazy Zhang, the Chief Financial Officer of Giant Interactive Group.</i><p>People in the game industry often say that Chinese game companies are five years ahead of their western counterparts. While western game makers have traditionally led the way in terms of technology, …

'Xbox Laptop' modder is back to offer the 'Playbook 4' for $1,395

Remember the "Xbook One," the portable console by hardware modder Ed Zarick? Well, thanks to popular demand, here's his encore, the "Playbook 4."<p>The Playbook is built on the same foundation as the Xbook, Zarick says. He designed and 3D printed its case (which comes in black and white.) It also uses …

Security Experts Build $150 Safecracker

Solution: Don’t leave a safe alone for four days.<p>Thanks to a pair of Melbourne security researchers, the cost of opening safes just hit a new low. Using an arduino platform and 3-D printed parts, the pair has created a contraption that can open many combination locks, like those on ATMs and gun …

Will I Ever Get A Color E-Reader?

Why your Kindle is black and white -- and why your next one might be color<p>E-readers inspire the kind of polarization usually reserved for religion and taxes. Their detractors call them soulless, shoddy excuses for real paper. But to their fans, their months of battery life, huge libraries, and …

Powerful quantum computers move a step closer to reality

Researchers at the University of New South Wales have pushed quantum computers a step closer to reality, which one former NSA technical director says calls for a rethink in how the whole security of the internet is managed.<p>The Australian researchers claim to have developed two new types of quantum …

Secret Robot Space Plane Returns To Earth Today

Classified: What the space plane does. Unclassified: America has a freakin' robotic space plane.<p>In 2012, the Air Force sent an unmanned robot plane into space. It is scheduled to return today, completing its third voyage into space, one that began way back in the simpler days of 2012. The X-37B …