a blog by the NSF Center for Sustainable Nanotechnology
Earlier this week I heard a quick piece on NPR's Marketplace called "75 years ago, the transistor ignited the fire of modern innovation," about how the transistor was "born" exactly 75 years ago today: December 16, 1947. It reminded me of a blog post written by CSN graduate student Diamond Jones (now Dr. Diamond Jones!) …
Continue reading "Happy 75th Birthday to the Transistor!"
Note: There has been much public discussion recently around preservation of public monuments. This blog post is about how science can play an important role in preserving historical monuments. Although people, including scientists, must make judgments about historical preservation, nothing in this post is intended to express any opinion on recent public discussions about those …
Continue reading "How can nanotechnology preserve stone cultural heritage sites?"
In these days of social distancing, everyday electronic devices such as cell phones and laptops are more crucial than ever. But many of these devices, ubiquitous as they are, contain materials that are difficult to come by, called scarce rare earth and specialty elements (RESEs). For example, audio equipment such as speakers, headphones and microphones, …
Continue reading "Nano-enabled Recovery of Scarce Metals: From benchtop to startup"
Fuel cells are a technology for transforming the chemical energy of a fuel into electricity using redox reactions (usually combining hydrogen fuel with oxygen from the air). They are different from most batteries, because they require a constant source of oxygen and fuel to sustain the chemical reaction. In batteries, the energy comes from metals …
Continue reading "Nanotechnology and the Future of Fuel Cells"
Guess what? Your skin is the biggest organ in your body, with an area of 2m2 (pretty much the size of a beach towel)! Skin plays an important role in the protection of your muscles, bones, and organs, and acts as a physical barrier against pathogens. It also regulates your temperature, and when exposed to the …
Continue reading "Nanotechnology for Younger & Healthier Skin?"
A few weeks ago (before it started snowing!) I went on a walk in the garden across the street from the University of Wisconsin chemistry building and saw an abundance of beautiful butterflies. I noticed that the butterflies were iridescent in the sunlight as they fluttered from flower to flower. I wondered: does the iridescence …
Continue reading "Nanostructures in butterfly wings"
What if every seed you planted could include a sensor to monitor moisture and nutrients? What if every tissue had nanoscale electronics to check for viruses when you blew your nose? Our fourth season of the Sustainable Nano Podcast launches with an interview about the future of nanotransistor technology with Professor Mike Filler from Georgia …
Continue reading "Ep. 32 An Electronic Circuit on Every Seed?"
Most of us are familiar with the concept of “side effects.” This is when something that is designed to be helpful ends up having some harm that goes along with it. For patients with cancer, anti-cancer drugs can be life-savers – literally. The benefits of using these drugs are apparent to anyone whose cancer has …
Continue reading "Can We Make Nanoparticles More Sustainable?"
LEGO blocks may be one of the simplest but most genius toys ever created, as evidenced by their popularity. Taking such simple building blocks that are modular and being able to create nearly endless different combinations of structures is liberating. On the other hand, it’s also great that LEGO can create a set of instructions …
Continue reading "How Click Chemistry is Like Playing with LEGOs"
You walk past a body products store on a weekend shopping trip and are immediately overtaken by fragrance, your nose saturated with floral, sugary and tropical scents. Intrigued by the promise of a candle sale, you venture in, perusing the soaps, mists, and candles. About ten free samples later, you find some products labeled ‘aromatherapy’ …
Continue reading "Combining the Old With the New: using nanotechnology to enhance ancient medicines"
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