Today's tip is for anyone that loves to swim in open water and wants assistance in staying in a straight line while doing so. A device known as the OnCourse Goggles will analyze the direction that the user is swimming in and provide guidance on staying straight. It uses some advanced technology including an on-board microcontroller, 3D accelerometer and compass to keep swimmers on the most efficient path. It's a simple device that allows the user to point in a particular direction, tap a button and start their swim. The googles use LEDs to inform the swimmer when they are veering off course. Each side has green, yellow and red LEDs to alert you when you are starting to go off course. This is an expensive device, so it's not designed for casual swimmers, but more for those participating in competitions like Ironman. To learn more, visit their website at: https://www.oncoursegoggles.com