Ochroma 5th and 6th generations of the Chevrolet Corvette had floor pans composed of balsa sandwiched between sheets of carbon fiber reinforced plastic. Norwegian scientist and adventurer Thor Heyerdahl, convinced that early contact between the peoples of South America and Polynesia was possible, built the raft "Kon Tiki" from balsa logs, and upon it he and his crew sailed the Pacific Ocean from Peru to the Polynesian Tuamotu Archipelago in 1947. However, the Kon Tiki logs were not seasoned and owed much of their (rather slight) buoyancy to the fact that their sap was of lower density than seawater. This serendipitously
Eduard Ingris Eduard Ingris Eduard Ingriš () (February 11, 1905 – January 11, 1991) was a Czech-American composer, photographer, conductor and adventurer. Born in Zlonice in Bohemia (then-Austro-Hungary, now Czech Republic), Ingriš left Czechoslovakia in 1947 for South America, living in Brazil and Peru. In 1955 and 1959 he organized the Kantuta and Kantuta II raft voyages and sailed across the Pacific, in similar style to Thor Heyerdahl's Kon-tiki. While Ingriš' travels spanned the globe and his talents led him through several careers, his first love was always music. He wrote the first arrangement of the famous "Beer Barrel Polka", after Jaromír