ISSUE: #02 JANUARY 2021
- Frozen Man
- Bullet Journal
- Why It’s So Hard to Go against the Grain?
- The Physics Of Surfing
- Why Do Traffic Signs Look The Way They Do?
- Pi Number
- The Shape of Water
- Why do waterfalls retreat?
- Where did the meteorites go?
- Why Every City Has Its Own Climate?
- Instant Noodles
- The Coming Renaissance
- Paracelsus: Alchemy to the Aid of Medicine
- History of Coins
It seems simple enough: a river encounters a cliff, creating a waterfall. But where did the cliff come from? Of course, it could occur as the result of an earthquake in the streambed of the river, but usually, it’s the river itself that forms the waterfall.
Waterfalls form in areas where hard rock meets soft rock. Initially, the river flows along a straight channel, but over time the soft rock begins to erode. A plunge pool forms, with a ledge hanging over it — that’s how a waterfall is created. However, hard rock can’t resist the water flow forever; the rocky ledge eventually wears away, causing the waterfall to “recede” towards the river source. For example, Niagara Falls moves backward by about about 12 in a year!
Waterfall Formation
