Genesis Nanotech: Nanotechnology News & Updates: This Week’s Top Posts (Clean Water – Clean Renewable Energy – New Materials – Health)
Genesis Nanotech: Nanotechnology News & Updates
Fracking for oil and gas is a dirty business. The process uses millions of gallons of water laced with chemicals and sand. Most of the contaminated water is trucked to treatment plants to be cleaned, which is costly and potentially environmentally hazardous. A Tufts engineer is researching how to create membranes for filters that may one day be able to purify the water right at a fracking site.
Micro-Rockets with ‘Water-Fuel’ Neutralize Biological and Chemical Warfare With fears growing over chemical and biological weapons falling into the wrong hands, scientists are developing microrockets to fight back against these dangerous agents, should the need arise. In the journal ACS Nano, they describe new spherical micromotors that rapidly neutralize chemical and biological agents and use water as fuel.
An official of a materials technology and manufacturing startup says his company is addressing the challenge of scaling graphene production for commercial applications. Glenn Johnson, CEO of BlueVine Graphene Industries Inc., said many of the methodologies being utilized to produce graphene today are not easily scalable and require numerous post-processing steps to use it in functional applications. He said the company’s product development team has developed a way to scale the production of graphene to meet commercial volumes and many different applications.
New MIT model can guide design of solar cells that produce less waste heat, more useful current. When sunlight shines on today’s solar cells, much of the incoming energy is given off as waste heat rather than electrical current. In a few materials, however, extra energy produces extra electrons — behavior that could significantly increase solar-cell efficiency. An MIT team has now identified the mechanism by which that phenomenon happens, yielding new design guidelines for using those special materials to make high-efficiency solar cells.
Google Inc. revealed Tuesday at a conference in California that it is creating a wearable device and a pill with nanoparticles to detect certain developing diseases in the body, the Wall Street Journal reported.
Andrew Conrad, Google‘s head of the Life Sciences team at the Google X research lab, revealed that the company’s goal is to provide an early warning system for cancer and other diseases with a more efficient detection rate.
Graphene is made of a single layer of carbon atoms that are bonded together in a repeating pattern of hexagons. It is a 2 dimensional material with amazing characteristics, which grant it the title “wonder material”. It is extremely strong and almost entirely transparent and also astonishingly conductive and flexible. Graphene is made of carbon, which is abundant, and can be a relatively inexpensive material. Graphene has a seemingly endless potential for improving existing products as well as inspiring new ones.
One of the longstanding problems of working with nanomaterials—substances at the molecular and atomic scale—is controlling their size. When their size changes, their properties also change. This suggests that uniform control over size is critical in order to use them reliably as components in electronics.
Put another way, “if you don’t control size, you will have inhomogeneity in performance,” says Mark Hersam. “You don’t want some of your cell phones to work, and others not.”
Nanotechnology and Our Future Nanotechnology has been called “The Next Industrial Revolution.” It will or already has, impacted almost every facet of our daily lives. From ‘Nano-Enabled’ Solar Energy & Storage, Nano-Enabled Water Filtraion & Remediation to ‘Nano-Enabled’ Drug Therapies for Cancer, Alzheimers and Diabetes – Nanotechnology will serve to advance our technology capabilities to meet the Vision for a Better Quality of Life for all of us who share this Planet Earth as ‘Home’.
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