transformation optics Archive

antennasImplantable neural dust powered by ultrasound within a body

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First in vivo tests demonstrate ultrasound can be used to wirelessly power and communicate with millimeter-scale devices surgically placed in muscles and nerves Therapeutic modulation of the activity of the body’s peripheral nervous system (PNS) holds a world of potential …

active cloakLPP Fusion Crowdfunding at $125K of $200K target

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Scientists at LPP Fusion, led by Chief Scientist Eric Lerner, are just one step away from technically proving out dense plasma focus fusion and you a few thousand other people can help for the final push. They are already 63% …

metamaterialsNorthwestern researchers create state-of-the-art massively multiplexed beam pen lithography desktop nanofabrication tool

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A new low-cost, high-resolution tool is primed to revolutionize how nanotechnology is produced from the desktop, according to a new study by Northwestern University researchers. “With this breakthrough, we can construct very high-quality materials and devices, such as processing semiconductors …

active cloakSolar Cell with external quantum efficiency of 114 percent

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Researchers from the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) have reported the first solar cell that produces a photocurrent that has an external quantum efficiency greater than 100 percent when photoexcited with photons from the high energy …

active cloakVitamin A supplements to save 600,000 lives per year and prevent illness, and blindness in children aged under 5:

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British Medical Journal – Vitamin A supplementation is associated with large reductions in mortality, morbidity, and vision problems in a range of settings, and these results cannot be explained by bias. Further placebo controlled trials of vitamin A supplementation in …

active cloakEight Projects Funded for the Gates Foundation Reinvent the Toilet Challenge

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The Water, Sanitation & Hygiene program of the Bill and Melinda Gates Foundation recently challenged 22 universities to submit proposals for how to invent a waterless, hygienic toilet that is safe and affordable for people in the developing world and …

invisibleUCLA Cancer Roadmap could help combat resistance to targeted drug therapies

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New drugs that specifically target the mutated genes responsible for cancer growth have shown great success in extending the lives of patients, with far fewer side effects than conventional anti-cancer therapies. Unfortunately, many patients become resistant to these drugs due …

active cloakWiley Gaddafi Declares Ceasefire rather than face France and the UK in war

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The Libyan government declared a cease-fire Friday in its battle against rebels seeking to oust longtime leader Moammar Gaddafi, saying it was acting to protect civilians in the wake of a U.N. Security Council resolution that opened the door to …

invisibleIndividual First Aid Kits (IFAK) Help Save Lives in Tucson Shooting – links for training and amazon sells the parts

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The United States military has long been at the forefront of providing lifesaving training and equipment to soldiers in combat. The Sheriff’s Department recognized the extreme value of taking these advancements and putting them into the hands of first responders …

invisibleRice University imaging agents inside silicon particles could improve MRI by 50 times

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Scientists at Rice University and other Texas Medical Center institutions and colleagues in Colorado, Italy and Switzerland have discovered a way to trap contrast agents inside a silicon particle that, when injected into a patient’s bloodstream, would make them up …