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  2. Tag: color

color

Colors of the Aurora Borealis: Nature’s Spectroscopic Spectacle

Posted on December 6, 2024

by Bob Hamers Millions of people across the US recently got their first view of the Aurora Borealis, or “Northern Lights”, as the night sky turned a rainbow of unusual colors. When I mentioned the …

Posted in Sustainable NanoTagged astronomy, aurora, aurora-borealis, Bob Hamers, color, electrons, northern-lights, orbitals, science, spectroscopy

Happy Valentine’s Day from our amazing universe! 

Posted on February 14, 2024

by Bob Hamers Today’s blog post is a Valentine’s Day message from our universe, sent 7500 years ago from an address 44,000,000,000,000,000,000 (that’s 44 quadrillion, or 4.4×1019) miles away. 

Posted in Sustainable NanoTagged astronomy, Bob Hamers, chemistry, color, nanoparticles, scientists, spectroscopy, Valentine's Day

The Chemistry of Color Tests

Posted on September 27, 2020

by Stephanie Mitchelledited by Paige Jarreau Autumn is here, which means summer colors are beginning to fade and many leaves are starting to change from green to red and yellow. Although it’s all around us, …

Posted in Sustainable NanoTagged acid, butterflies, butterfly, cabbage, color, demonstrations, electromagnetic spectrum, flowers, lichen, litmus, Paige Jarreau, pigment, Stephanie Mitchell

Can nanotechnology help make a better COVID-19 test?

Posted on April 17, 2020

by Nikki Hoangedited by Stephanie Mitchell Did you know that scientists have used nanotechnology to develop a test for the MERS coronavirus? The results of the test can be seen by the naked eye within …

Posted in Sustainable NanoTagged color, coronavirus, dna, fluorescence, gold, Nikki Hoang, PCR, Stephanie Mitchell, viruses, wavelength

What gives gold nanoparticles their color?

Posted on November 12, 2019

by Meng Wu edited by Natalie Hudson-Smith In a previous post, Can gold melt at room temperature? Melting temperature depression!, we talked about how the color of gold changes from shiny yellow to dark red …

Posted in Sustainable NanoTagged color, gold, light, Meng Wu, nanoparticles, Natalie Hudson-Smith, photons, resonance, wave-particle duality, wavelength

Nanostructures in chameleons, damselflies, and peacocks (oh my!)

Posted on August 2, 2019

by Jenny Orbeckedit by Emily Caudill My favorite rain jacket is bright blue. So bright, in fact, that my first semester chemistry professor was able to point it out in a class of 300 people …

Posted in Sustainable NanoTagged animals, bubbles, chameleons, color, damselflies, Emily Caudill, insects, iridescence, Jenny Orbeck, light, nano, peacocks1 Comment

Chemistry and Art in the Mountains of Morocco

Posted on January 30, 2019

by Christy Haynes Last month, I went on a dream trip – a 9-day tour through Morocco. Morocco is a beautiful country at the cultural crossroads of Africa and the Middle East, with a touch …

Posted in Sustainable NanoTagged art, Christy Haynes, color, Morocco, paint, polymers, travel

How does nanoscale chemistry make fireflies glow brightly?

Posted on July 10, 2018

by Laura Satterfieldedited by Arielle Mensch The United States celebrated Independence Day last week, and most people in the US probably managed to see some fireworks. Besides the fireworks, one of my favorite things this …

Posted in Sustainable NanoTagged Arielle Mensch, color, electrons, fireflies, independence day, Laura Satterfield, lenses, luciferase, luciferin, photons

Bringing the Year in with a Bang!

Posted on December 28, 2017

by Natalie Hudson-Smith edited by Alicia McGeachy The first time I used a hand-held sparkler was just a year ago. As I watched small sparks fly off of it and waved it to leave different …

Posted in Sustainable NanoTagged Alicia McGeachy, color, fireworks, health, holidays, nanoparticles, Natalie Hudson-Smith, New Years, pollution

Using Nanoparticles in Glazes

Posted on September 22, 2017

by Nikita Rozanov edited by Joe Buchman Did you know that when you walk through an art museum, there is a good chance that you will come across nanoparticles? Long before nanoparticles began finding applications …

Posted in Sustainable NanoTagged art, art history, ceramics, color, glaze, Joe Buchman, nanoparticles, Nikita Rozanov
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