Interesting Things with JC #219: "Disc Harrows" are farming implements, or tools, used to prepare the soil for planting or sowing crops. They are pulled behind tractors and break up the clods and surface crusts on your land. This helps improve soil granulation and weed destruction. While plowing cuts, granulates, and inverts the soil, creating furrows and ridges, disking breaks up those clods and surface crusts. Let's find out more!

Countries to the north and south of the tropics, see sunrise much earlier and sunsets much later in summer, than these regions do in winter. On most farms, this isn't a problem. People and animals just shift their habits as the hours of daylight shift. In most cities, the amount of energy used to make artificial light and heat becomes costly, if they don't shift their routines. This is where William Willett, the godfather of Daylight Savings comes in.

From agricultural equipment, construction equipment, power generation and power transmission equipment Allis Chalmers made is mark on society. Let's learn about the important role this company played in the Manhattan project as well as the history of their Farm equipment line, and more!