transformation optics Archive

Implantable neural dust powered by ultrasound within a body

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 …

LPP Fusion Crowdfunding at $125K of $200K target

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% …

Solar Cell with external quantum efficiency of 114 percent

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 …