Kayak’s Solo Crossing across the Gulf of Mexico

Arthur Hebert made the first solo crossing of the Gulf of Mexico in a 17-foot (5 metre) kayak. Continue reading

Wilhelm Conrad Röntgen

Born to a German father and a Dutch mother, Röntgen attended high school in Utrecht, Netherlands. Continue reading

Dental X-rays

C. Edmund Kells of New Orleans, LA, USA, a dentist and inventor, built the first X-ray machine in the United States in 1896, which was shortly after the discovery of radiography by the German scientist Wilhelm Conrad Roentgen in 1895. Continue reading