We don't really need a physical wall clock anymore these days when we have the convenience of checking our phones, wristwatches or having the time displayed on the kitchen appliances. But rather than ...
The tides! Such a unique thing, because on Earth, we don’t just have oceans full of liquid water—we also have a big ol’ moon called Moon to pull them around. You might like to keep ...
The Discovery Center Museum in Rockford is teaching visitors how to make a sundial, an ancient tool used to tell time using the sun.