In Saudi Arabia, a team of researchers developed a water purification device. And that device not only keeps water free of contaminants but also produces free electricity. According to a report, over 780 million people across the world do not have access to clean water.
Water purification is the only way to make drinking water available to lot of people around the world. But the process of water purification is a lengthy one and consumes a lot of electricity. That is the reason many citizens of the developing countries do not have clean water to drink.
A team of researchers in Saudi Arabia made an invention. They invented a device that solves the two problems- water purification and electricity. And it uses solar power to produce electricity. The electricity in turn helps with purifying the water.
This process is a hit for the arid regions just like Saudi Arabia, where there is lot of sun and scarcity of drinking water. And the good news behind this invention is it is not just for industrial use. According to the researchers, you can set up this device in your home and generate power and have clean water at the same time. This makes one of the best house hard water filter along with solving the problems of electricity.
Pen Wang, the researcher and the co-author of the Cosmos Magazine said- “The generated clean water an be used for cleaning solar panels to remove dust particles, it can be used to irrigate plants and crops, making desert agriculture possible.”
In a paper published on Nature Communications, they explained the workings of this water purifier. The top of the device has a horizontal commercial silicon solar cell fitted on it. And then directly below the cell there are several tiers to filter the contaminated water.
The process of water passing through the tier produces clean water as well as heat. Earlier researchers just used saline water, but now the device purifies sea water even contaminated with copper, lead, sodium, potassium and calcium.
Cosmic Pretzel Discovered 700 Light-Years Away from Earth
An image of two new born stars in the 11 system being described as a cosmic pretzel made up of a network of filaments of gas and dust has been captured by Astronomers. 11 system is part of the Barnard 59 nebula being around 700 light-years away from the earth.
The study’s lead author Felipe Alves in a statement has said that they can see 2 compact sources who’s size are similar to the asteroid belt in the solar system. They have interpreted it as circumstellar disks around two young stars. The separation between them is of 28 times the distance between the Sun and the Earth.
Alves added that they are expecting 2 level accretion process to drive the dynamics of the binary system during its mass accretion phase and they need to study more young binary systems in detail to understand how multiple stars form better.
The 2 circumstellar disks are surrounded by a larger disk that has a total mass equal to that of 80 Jupiter. The study’s co-author and managing director at MPE Paola Caselli has stressed that this is a really important result as they have finally imaged the complex structure of young binary stars with their feeding filaments connecting them to the disk in which they were born.
This has provided them with important constraints for current models of star formation. The baby stars gain mass in two stages from the much larger disk, first is when the mass is transferred in twirling loops making the pretzel image and second is when the stars gain mass from the circumstellar disks.
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