If you’ve got an aquarium and want to keep your fish well ... The heart of the system is a 3D-printed mechanism that holds a bottle of fish food in a funnel and dispenses a set amount through ...

The system is very simple. The unit is primarily a box, or hopper, that holds the fish food. Towards the bottom is a 3D printed auger. The auger is super glued to the gear of a servo. The 9g ...

She found that patients who were exposed to the fish tanks appeared to be more relaxed and alert, and they ate up to 21 percent more food than they had before ... of a seascape for four weeks before ...