Abstract: A basketball training system has one or more mobile wireless communication devices for wearing or carrying by players, a backboard carrying a basketball hoop, a video camera associated with the backboard for collecting video of basketball training and transmitting the collected video to a processing device integral with or separate from the mobile device, and motion sensors mounted around the backboard for detecting shot attempts and providing shot attempt data to the device or processing unit. Distance and position of the mobile device relative the backboard is collected for each shot. Score information is detected by sensors or input by the user on the mobile device when a shot is made. An application associated with the processing unit calculates and stores shot and score data and associated position data and calculates shot percentages at different shot locations relative to the backboard for later review by the player or coach.

Abstract: A substance inhalation system includes a mixing flask that is in fluid communication with plural inhalation chambers. A test vapor can be selectively and individually provided to the inhalation chambers. Moreover, individual inhalation chambers can be selectively removed from the substance inhalation system without test vapor leaking from any of the inhalation chambers.