klss/Shutterstock There’s a chance (albeit, an ever-decreasing one) that your phone comes with an IR blaster. These allow your phone to communicate with everyday devices in your home, like TVs and DVRs, using invisible bursts of electromagnetic radiation. If you’re perennially losing your remote control, phones with IR blasters are extremely handy. But how do they work, and where can you get one? When Infrared Was King Readers of a certain age might remember using infrared to share files and…
