An gill-like underwater breathing apparatus, an app for one's intimate moments on Google Glass, and more.

Each week we bring you the most popular and interesting posts of the past five days. Here is the current selection to give you topics to explore and share over the weekend.

Concept Oxygen Mask Lets Swimmers Breathe Like Fish

Conceptualized by Jeabyun Yeon, the Triton Oxygen Respirator is an ergonomically designed regulator that would eliminate the need for bulky scuba diving gear and would enable swimmers to breathe effortlessly underwater. The basic concept of this model is to extract oxygen from the water and convert it into breathable air, mimicking the functions of gills.

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