Phone Searches at the Border Are Up. How to Protect Your Privacy.

Customs agents have broad authority to search the electronic devices of travelers entering and leaving the U.S. Here are tips ...
IEEE

Conflict-Avoiding Codes of Prime Lengths and Cyclotomic Numbers

Abstract: The problem to construct optimal conflict-avoiding codes of even lengths and the Hamming weight 3 is completely settled. On the contrary, it is still open for odd lengths. It turns out that ...
The New York Times

When the Phone Number in That TV Show Actually Connects Somewhere

Passing on the classic 555 number, “Stranger Things” is the latest show to offer Easter eggs for viewers who try to call a fictional character. By Victor Mather In the final season of the Netflix hit ...
Wired

A New Anonymous Phone Carrier Lets You Sign Up With Nothing but a Zip Code

Nicholas Merrill has spent his career fighting government surveillance. But he would really rather you didn’t call what he’s selling now a “burner phone.” Yes, he dreams of a future where anyone in ...