This type of "walking stick" has been proposed before, with optical sensors, but was quickly dropped when it was discovered that that big clunky white cane actually serves the very beneficial purpose of notifying others that the user is blind and they should stand clear or otherwise be careful around them.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies.
You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived.
So if you can't attend live, attend at your convenience.