Hello,

We noticed you're browsing in private or incognito mode.

To continue reading this article, please exit incognito mode or log in.

Not a subscriber? Subscribe now for unlimited access to online articles.

Emerging Technology from the arXiv

A View from Emerging Technology from the arXiv

Birds 'n' Worms

The best of the rest from the Physics arXiv this week

  • February 26, 2011

Equivalence Principle and Gravitational Redshift

Thermal Rectification In Bulk Materials With Asymmetric Shape

Long-Duration Gamma-Ray Emissions From 2007 And 2008 Winter Thunderstorms

Computability Of Simple Games: A Complete Investigation Of The Sixty-Four Possibilities

Dengue Epidemics And Human Mobility

Tech Obsessive?
Become an Insider to get the story behind the story — and before anyone else.

Subscribe today
Want more award-winning journalism? Subscribe to Print Subscription.
  • Print Subscription {! insider.prices.print_only !}*

    {! insider.display.menuOptionsLabel !}

    Six print issues per year plus The Download delivered to your email in-box each weekday.

    See details+

    12-month subscription

    Print magazine (6 bi-monthly issues)

    The Download: newsletter delivery each weekday to your inbox

/3
You've read of three free articles this month. for unlimited online access. You've read of three free articles this month. for unlimited online access. This is your last free article this month. for unlimited online access. You've read all your free articles this month. for unlimited online access. You've read of three free articles this month. for more, or for unlimited online access. for two more free articles, or for unlimited online access.