THE CHALLENGE WHY NOT PROPEL SHIPS BY MEANS OF A FUEL CELL AFTER ALL THERE S PLENTY OF WATER UNDERNEATH THE HULL ON BOARD OF THE ENERGY OBSERVER AN ENERGY SELF SUFFICIENT VESSEL A SYSTEM BY MEANS OF PHOTOVOLTAICS AND TWO WIND TURBINES PRODUCES PURE HYDROGEN TO OPERATE A FUEL CELL IN GOOD WIND CONDITIONS THE CREW ALSO USES A KITE TO PULL THE VESSEL SINCE ITS DEPARTURE FROM SAINT MALO FRANCE IN 2017 THE ENERGY OBSERVER HAS ALREADY TRAVELED 10 326 NAUTICAL MILES MORE THAN 19 000 KILOMETERS 11 800 MILES ITS DESTINATION IN 2020 IS TOKYO THE VENUE OF THE OLYMPICS AROUND THE WORLD WITH WIND SUN AND HYDROGEN Providing internet access to sparsely populated areas poses a challenge to network operators because it s complex and expensive The solution old analog TV frequencies These white spaces can make digital mobiles services such as wireless internet possible where neither cable nor DSL connections are available U S authorities have now initially released some of these unused frequencies However so far neither providers nor suitable end user devices exist pieces of astro garbage are orbiting the Earth The projectiles fly through space with up to 28 000 km h 17 400 mph posing a risk to spaceships and satellites The challenge how can space trash be brought back into the Earth s atmosphere where it will burn up Ideas collecting debris by means of nets and harpoons or using laser guns to shoot at it to force its trajectory to change in the direction of the atmosphere 750 000 TV FREQUENCIES TAKE THE INTERNET TO REMOTE AREAS 11 global

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