Invisibility

Chinese Work Sees Through Invisibility Quest

Researchers explain how theoretical 'anti-cloak' could bring objects out of hiding FRIDAY, Sept. 5 (HealthDay News) -- Just in case someone develops a cloak of invisibility, a team of Chinese scientists say they know how to uncloak the objects it hides. According to a paper publishe...

Scandal of invisibility plagues countries with no civil registries

Most people in Africa and Asia are born and die without leaving a trace in any official records, giving policymakers and researchers little information on which to base public health decisions, a University of North Carolina at Chapel Hill researcher and colleagues say in a paper published today (...

Hot ice, measuring depression, perfect invisibility and flu vaccine incentives

Hot Ice to Lubricate Artificial Joints Alexander D. Wissner-Gross and Efthimios Kaxiras Physical Review E (August 2007) A recent simulation has shown that thin layers of ice could persist on specially treated diamond coatings at temperatures well above body temperature, which could make i...

Malaria’s Invisibility Code Identifie

Research scholars belonging to the Howard Hughes Medical Institute (HHMI) have discovered how the malaria parasite, Plasmodium falciparum is able to turn on its cloaking genes, and pass the human immune system.// Even if the camouflage proteins of the parasite were to be detected by the immune sys...

Stripping leukemia-initiating cells of their 'invisibility cloak'

... a Cell Press publication. In essence, says Irving Weissman of Stanford University, that signal sent by a cell-surface protein known as CD47 "is an invisibility cloak for leukemia stem cells." Safe from the macrophages whose job it is to clear pathogens and damaged or aging cells from the bloodstream, the CD47...

Scientists use nanomaterials to localize and control drug delivery

...scale polymer films, which are inert and helped provide a Harry Potter-like invisibility cloak for the chips, hiding them from the bodys natural defenses. They then... study and is one of its authors. The polymer films provided a cloak of invisibility for the implants, keeping the immune system from attacking, Chow said. ...

UBC researchers discover 'instruction manual' that tells cancers how to hide from immune system

... A mechanism that creates an invisibility cloak for certain cancer cells and allows them to ...tem via a process called chromatin remodeling. The invisibility mechanism operates in malignant carcinomas that in...t will force the cancer cells to drop the cloak of invisibility and be recognized by the immune system. ...

Endoscopic Thyroidectomy Helps In Removing Thyroid Cysts

... other side while bleeding and injury to the nerves of the voice box (larynx) are operative hazards. "The advantage of this approach is the total invisibility of the scars and the clear magnified images seen during the endoscopic operation. The safety of the operation rested largely on the superb quality of ...

Invisibility in Biological News

HIV pays a price for invisibility

Mutations that help HIV hide from the immune system undermine the virus's ability to replicate, show an international team of researchers in the April 13 issue of the Journal of Experimental Medicine . The study was published online on March 23. When HIV infects a cell, a complex of human imm...

Carnegie Mellon researchers create invisibiity cloak

...r and Krzysztof Matyjaszewski have created a version of Harry Potters famed invisibility cloak for nanoparticles. Through a collaborative e...in the Department of Chemistry. The new particle invisibility cloak will help create a vast array of new material technologies that combi...

'Invisible' bacteria dupe the human immune system

... in the mechanism used by bacteria to evade our immune system. It is an invisibility cloak which means that bacteria like Haemophilus influenzae, a common cause...leased from our cell surfaces. As well as using the sialic acid to make the invisibility cloak other bacteria use similar methods to capture sialic acid as a simple...

Tumor wizardry wards off attacks from the immune system

... Like the fictional wizard Harry Potter, some cancerous tumors seem capable of wrapping themselves in an invisibility cloak. Researchers at Washington University School of Medicine in St. Louis have found that pancreatic tumors hide from the body's immune surveillance...

Precise Timing Enabled Pig-to-rat Transplants To Cure Diabetes

...nsplants. To Hammerman, this suggests that the pancreatic primordia may be effectively invisible to the rat's immune system. He theorizes that this invisibility is a result of the unusual ways 28-day-old tissues differentiate after transplantation. He and Rogers have shown that no part of the digestive compone...

Invisibility in Biological Technology

Tsunami invisibility cloak, dark energy v. the void, sorting nanotubes with light, and more

Tsunami Invisibility Cloak M. Farhat, S. Enoch, S. Guenneau and A.B. Movchan Physical Review Letters (forthcoming) Rather than building stronger ocean-based structures to withstand tsunamis, it might be easier to simply make the structures disappear. A collaboration of physicists from th...

New research field promises radical advances in optical technologies

... WEST LAFAYETTE, Ind. - A new research field called transformation optics may usher in a host of radical advances including a cloak of invisibility and ultra-powerful microscopes and computers by harnessing nanotechnology and "metamaterials." The field, which applies mathematical principles sim...

Silicon photonic crystals key to optical cloaking, researchers say

...ty Scholar and professor of mechanical science and engineering at Illinois. "An optical cloaking device is almost within reach." In October 2006, an invisibility cloak operating in the microwave region of the electromagnetic spectrum was reported by researchers at Duke University, Imperial College in London, an...