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Observations

Observations

Opinion, arguments & analyses from guest experts and from the editors of Scientific American

Squiggly Lines Secure Smartphones

To protect your financial and personal data, most mobiles come with PIN-based security, biometrics or number grids that require you to retrace a particular pattern to access your device...

June 17, 2014 — Larry Greenemeier

World Cup Prediction Mathematics Explained

The World Cup is back, and everyone's got a pick for the winner. Gamblers have been predicting the outcome of sporting contests since the first foot race across the savannah, but in recent years a unique type of statistical analysis has taken over the prediction business...

June 11, 2014 — Michael Moyer

Google Gives the Internet Amnesia in Europe

One of the Internet's greatest assets is also perhaps its biggest curse—it never forgets. Except in the European Union, where a court last month ruled that people have the right to have certain sensitive information about themselves deleted from Google search results...

June 4, 2014 — Larry Greenemeier

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