Nick Smith

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The Difference Between PPI Vs. DPI, Explained By A Google Designer

DPI. Dots per inch. That’s how many droplets of liquid squeeze into an inch of your printed paper. PPI. Pixels per inch. That’s how many points of light live on an inch of screen. Simple enough, right? But what the heck happens when you want to translate your 1-inch, 72DPI logo to a 27-inch iMac …

Losing Two-Factor Recovery Key Could Permanently Lock Apple ID

In March 2013, Apple introduced two-factor authentication to provide additional security for Apple IDs. It expanded the feature to several new countries earlier this year and introduced it to the company's iCloud.com website this September. This was after CEO Tim Cook promised to broaden use of its …

Gift Guide: For the Tech-Obsessed

Technology? It’s my favorite indulgence. Take a look a handful of gadgets that the stylish Silicon Valley denizen would adore.<p>Above: On my personal …

Gift Guides

Amazon threatens US government over drone testing

E-commerce giant Amazon tells Federal Aviation Administration it will move drone testing abroad if it is banned from flying outdoors<p>Amazon has warned America's Federal Aviation Administration (FAA) that it will move its drone research programme outside the US if the company is stopped from testing …

Unmanned Aircraft

Coding is made child’s play by new electronic building blocks

The SAM electronic building system promises to turn anyone into an instant engineer<p>■ See more from the 20 innovations for 2015 series<p>If Lego had a 21st-century facelift, it would look a lot like SAM, a new kit where the building blocks are electronic modules (or SAMs: sensor actor modules), which …