Choose the right soil. Mulberry trees will grow on many types of soil as long as a good drainage system is provided. Ensure they are not in an area where flooding is common as they do not tolerate being engulfed in water. When possible, well-drained, deep soils are preferred. Opt for slightly acidic soil with a pH of 5.5 to 6.5.
Ancient steam turbines. Early in the first century A.D., a Greek inventor named Hero of Alexandria designed the world's first aeolipile, or primitive steam turbine. Heron's aeolipile consisted of a hollow sphere, mounted on a pair of tubes.
1769 James Watt improves the steam engine. James Watt from Scotland designs a more efficient steam engine. One of the most important inventions of the Industrial Revolution, steam engines power the first trains, steamboats, and factories.1794 Eli Whitney patents the cotton gin. Eli Whitney creates a machine that makes it much easier to separate cotton seeds from cotton fiber.769 James Watt improves the steam engine. James Watt from Scotland designs a more efficient steam engine. One of the most important inventions of the Industrial Revolution, steam engines power the first trains, steamboats, and factories.