It’s no secret that Earth is a wet and wild place—from grade school onward, most people can readily cite the fact that water covers about 70 percent of the planet’s surface. And images taken from space show our home world as a “blue marble” awash in oceans, rivers and lakes.
Archive for Article
How Can We Keep Track of Earth’s Invisible Water?
This Robotic Insect Can Jump on Water
Robots seem to be able to do anything these days — from clearing clogged arteries to sniffing out disease in crops. Now robots can add jumping on water to their resume, Sid Perkins reports for Science. Scientists have designed a tiny robot that’s so light, it can bounce at the surface of a puddle.
The Sun Is Spraying Water Into Space
Our oceans, it is thought, came from space, as ice-rich comets rocked the early Earth. But some of that water, which set the conditions for life to arise, may have been born from the Sun.
How Much Is the Ocean?
World Wildlife Fund (WWF) has estimated how much the world ocean is. The figure was not so astronomical: 24.2 trillion dollars. And about two and a half trillion is the total budget of transportation on the seas. If you sum up these two numbers, then the oceans will be only the seventh economy of the world after the United States, China, Japan, Germany, France and Britain.
Frost to Clean Waste Water
The University of Technology, Lappeenranta (Finland) suggests using lower temperatures for wastewater treatment in the mining industry.