#infrared radiation

Author: Tom Nardi / Source: Hackaday Visitors to the Wizarding World of Harry Potter at Universal Studios are able to cast “spells” by waving special interactive wands in the air. Hackers like us understand that there must be some unknown machinations happening behind the scenes to detect how the

Author: Josh Hendrickson / Source: How-To Geek Wi-Fi cameras rely on infrared (IR) for night vision. But IR bounces off glass—so, if you’re using your camera behind a window, you’ll only see a blurry reflection at night. Here’s how to get a clear image. Night Vision and Window Panes Don’t