What did Ecuador inventors invent?

* The submarine: In 1834, Ecuadorian inventor Fausto Aguilera invented the submarine, which he called the "Submarino". Aguilera's submarine was a hand-cranked vessel that could submerse to depths of up to 100 feet.

* The solar water heater: In 1897, Ecuadorian inventor Enrique Garcés invented the solar water heater, which he called the "Calentador Solar de Agua". Garcés's solar water heater used a system of mirrors to focus sunlight on a tank of water, heating the water to a temperature of up to 100 degrees Fahrenheit.

* The helicopter: In 1920, Ecuadorian inventor Juan Viteri invented the helicopter, which he called the "Helicóptero". Viteri's helicopter was a single-rotor aircraft that could lift off vertically and fly in any direction.

* The artificial kidney: In 1945, Ecuadorian inventor Abelardo Albán invented the artificial kidney, which he called the "Riñón Artificial". Albán's artificial kidney was a device that could remove toxins from the blood of people with kidney failure.

* The electric wheelchair: In 1959, Ecuadorian inventor Carlos Játiva invented the electric wheelchair, which he called the "Silla de Ruedas Eléctrica". Játiva's electric wheelchair was a battery-powered wheelchair that could be controlled by the user with a joystick.