City governments are looking to build their own broadband networks in order to have the infrastructure in place for the upgrade to 5G technology.

The Miami-Dade County Police Department is spending at least $2.6 million to deploy ShotSpotter, a technology that detects the sound of gunshots through sensors, after an unsuccessful pilot trial in 2013.

It wouldn’t be very hard for a hacker to access U.S. election systems, according to a recent report by the Institute for Critical Infrastructure Technology, titled “Hacking Elections is Easy.” “Every four years, during the presidential election, the same stories re-emerge acknowledging that the e-voting systems are vulnerable to the same old attacks, without any change in the security or oversight of the systems,” James Scott and Drew Spaniel write in the report.

Despite hacks against the Democratic National Committee, the Democratic Congressional Campaign Committee, and the Arizona and Illinois voter databases, many state and industry officials feel confident in the security of elections systems in the upcoming election.

A new tool called the Electronic Recovery and Access to Data Prepaid Card Reader allows police officers to check the balance of cards, including credit and debit cards, gift cards, hotel key cards, library cards, and Metro cards. The device will be useful because criminals rarely travel with stacks of paper money anymore.

The Federal Aviation Administration will replace existing air traffic control procedures in Southern California with new satellite-based procedures as part of its Next Generation Air Transportation System.

Jon Froehlich at the University of Maryland is working with a team of graduate students on Project Sidewalk, an online tool through which users can view their Washington, D.C., neighborhoods with Google Street View and label areas that may be inaccessible to those with impaired mobility.

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