During various public events last month, the North Korean leader Kim Jong Un was spotted with a bandage at the back of his head.&nbsp;

As per an NK News site, Kim Jong Un appeared at events of the Korean People’s Army from July 24 to July 27.&nbsp;

Also, he was seen in footage of a war veterans conference and related programmes from July 27 to July 29.

<a href="https://www.wionews.com/world/north-korea-facing-its-worst-ever-situation-admits-kim-jong-un-375885">Also read |&nbsp;North Korea facing its 'worst-ever situation', admits Kim Jong Un</a>

At the above events, he was spotted with a bandage which is about the size of a few postage stamps and in some a dark greenish spot. The news site said, "The cause or nature of the large, dark green spot or bruise on the rear right side of his head, which was covered with a bandage in some footage, is still unknown and is difficult to diagnose using only images".

The Yonhap News Agency recently reported that South Korea’s National Intelligence Service believes there have been no unusual signs regarding Kim Jong Un’s health.&nbsp;

The agency cited lawmakers briefed by the spy agency, which added the patch was removed after a few days and there was no scar.

During various public events last month, the North Korean leader Kim Jong Un was spotted with a bandage at the back of his head. As per an NK News site, Kim Jong Un appeared at events of the Korean People’s Army from July 24 to July 27.

During various public events last month, the North Korean leader Kim Jong Un was spotted with a bandage at the back of his head. As per an NK News site, Kim Jong Un appeared at events of the Korean People’s Army from July 24 to July 27. Also, he was seen in footage of a war veterans conference and related programmes from July 27 to July 29. Also read | North Korea facing its 'worst-ever situation', admits Kim Jong Un At the above events, he was spotted with a bandage which is about the size of a few postage stamps and in some a dark greenish spot. The news site said, "The cause or nature of the large, dark green spot or bruise on the rear right side of his head, which was covered with a bandage in some footage, is still unknown and is difficult to diagnose using only images". The Yonhap News Agency recently reported that South Korea’s National Intelligence Service believes there have been no unusual signs regarding Kim Jong Un’s health. The agency cited lawmakers briefed by the spy agency, which added the patch was removed after a few days and there was no scar.

North Korean leader Kim Jong Un's bandage sparks speculations

Taking a page out of sci-fi films, scientists have been able to develop “spray-on bandages” to protect wounds, and to care for injuries that require&nbsp;immediate attention in places that don’t have medical facilities.

In a new study, scientists outlined a technique called “electro spinning”, owing to which scientists came up with thin layers of fibres which were sprayed onto damaged skin. Some would say it’s akin to spraying paint on a surface.

Also read:&nbsp;<a href="https://www.wionews.com/science/brain-scientists-explore-the-how-of-when-342127" hreflang="en">Brain scientists explore the how of when</a>

According to the author of the study, Lane Huston, this marks the “first demonstration of depositing the drug-delivering fibres directly into a wound site safely”, the Independent reported.

The study was published in the Journal of Vacuum Science and Technology B. The author added that this mechanism can be used to cover wounds, and to follow up with treatment thereafter.

The technique in question - electro spinning is widely used among industries to wrap and filter multiple products.

Also read:&nbsp;<a href="https://www.wionews.com/science/two-million-year-old-skull-of-human-cousin-unearthed-342100" hreflang="en">Two million-year-old skull of human cousin unearthed</a>

Unfortunately, electricity at a high voltage can damage human skin. But scientists were able to develop a device with a smaller electric field, which sprayed bandages on people’s skin, as per information given in the study.

The device in question, which is still nameless, uses air to deliver fibres on a surface. The research team recently tested their device on pigs, and on a “gloved human hand”, marking the first such experiment.

Also read:&nbsp;<a href="https://www.wionews.com/science/three-asteroids-over-30-metres-in-diametre-travelling-earths-way-341959" hreflang="en">Three asteroids over 30 metres in diametre travelling Earth’s way</a>

The current valuation of bandage market is around $5.5 billion, which is expected to grow over the next few&nbsp;years. The scientists are hopeful that this could save millions of lives in rural areas. Scientists hope the technology will help doctors and medical personnel working in rural areas.

Taking a page out of sci-fi films, scientists have been able to develop “spray-on bandages” to protect wounds, and to care for injuries that require immediate attention in places that don’t have medical facilities.

Taking a page out of sci-fi films, scientists have been able to develop “spray-on bandages” to protect wounds, and to care for injuries that require immediate attention in places that don’t have medical facilities. In a new study, scientists outlined a technique called “electro spinning”, owing to which scientists came up with thin layers of fibres which were sprayed onto damaged skin. Some would say it’s akin to spraying paint on a surface. Also read: Brain scientists explore the how of when According to the author of the study, Lane Huston, this marks the “first demonstration of depositing the drug-delivering fibres directly into a wound site safely”, the Independent reported. The study was published in the Journal of Vacuum Science and Technology B. The author added that this mechanism can be used to cover wounds, and to follow up with treatment thereafter. The technique in question - electro spinning is widely used among industries to wrap and filter multiple products. Also read: Two million-year-old skull of human cousin unearthed Unfortunately, electricity at a high voltage can damage human skin. But scientists were able to develop a device with a smaller electric field, which sprayed bandages on people’s skin, as per information given in the study. The device in question, which is still nameless, uses air to deliver fibres on a surface. The research team recently tested their device on pigs, and on a “gloved human hand”, marking the first such experiment. Also read: Three asteroids over 30 metres in diametre travelling Earth’s way The current valuation of bandage market is around $5.5 billion, which is expected to grow over the next few years. The scientists are hopeful that this could save millions of lives in rural areas. Scientists hope the technology will help doctors and medical personnel working in rural areas.

Scientists just developed spray-on bandages!

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