travessa
The swim across the Strait of Gibraltar
The reporter Pere Renom tries to swim across the Strait of Gibraltar to make a report. Faced with the currents, waves, wind, fog and tides, and avoid about 90 large merchant that circulate daily through the strait. He should cover a distance of about 15 km. Throughout history, less than 800 swimmers have achieved this […]
Charging the batteries
What do they have in common a battery, a tubercle or body fat? They are sistems of storing energy. The energy is stored for consumption when needed and to move autonomously. A crossing of the Pyrenees is an ideal situation to understand how and why energy is stored.