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Cutting-Edge Science at IU

The power of quantum computing: Parallelism

Posted April 16, 2022 by ScIU Editorial Team

[A spinning coin is analogous to the behavior of a qubit in a superposition.]

Tech companies are going big in a microscopic way, pouring millions of dollars into a new form of computing: quantum computing. Quantum computers will revolutionize drug research, material discovery, and artificial intelligence by solving complex problems in a new way. To understand this, let’s review how normal computers solve problems and compare this to how a quantum computer would do it…

A beginner’s guide to Bloomington birds

Posted April 9, 2022 by Guest Contributor

[Two round cardinals grip onto two iron bars.]

Step outside in Southern Indiana and you’ll be greeted by a symphony of chirps, calls, and songs from a myriad of local birds. Home to over 400 species, Indiana is a birder’s paradise. Warblers, eagles, and owls alike call Bloomington home and are frequently spotted on the campus of IU Bloomington. Birds are a vibrant part of Bloomington culture, so it’s worth getting to know a few…

What the heck is a nanowire?

Posted March 19, 2022 by Thomas Ruch

[A myriad of nanowires are shown growing outwards, originating from a central growth nucleus.]

Imagine a future in which your iPhone 20 charges itself as you walk down the street and your house is powered by photoelectrochemical (PEC) cells installed in your backyard, using the power of the sun to convert captured rainwater into clean hydrogen. If we have any hope of realizing this future, you can be certain that nanowires will play a significant role. So what are nanowires, and why are they so important? My previous blog post was dedicated to examining a class of objects known as topological materials, with an emphasis on the bizarre realm of topological insulators (TIs). Implicit in the definition of topological insulators in the previous post was the assumption that the bulk of this insulator behaves as one would expect from its name: preventing the flow of electric current. Real-world TIs are not quite so simple, however…

Red wolves are endangered, but how can we protect a species we can’t define?

Posted January 1, 2022 by Allison Nelson

[Wolf standing in a field of yellow grass.

Red wolves and grey wolves may have once been a single species. But throughout the 1900s, the interbreeding of coyotes and red wolves  blurred the line between species. How can we  determine whether red and grey wolves are the same or separate species? The question is a pressing one, if you consider that conservation efforts are based on species.  In 1973, the Endangered Species Act was passed, creating the Endangered Species List, which mandates conservation efforts for every animal and plant on the list – based on species. Without a clear definition, conservationists don’t know what exactly they are trying to protect…

How gender is conveyed through speech

Posted October 16, 2021 by Guest Contributor

[Recording microphone with pop filter lit in soft purple light.]

When we hear a voice, the speaker’s gender is one of the first things we notice about them. Even if we’re asked to categorize speakers based on dialect or accent, we still gravitate toward grouping them based on how we perceive their gender. In my lab, we study which specific physical properties of speech (known as acoustic cues) control how gender identity is perceived. The acoustic cues we examine are voice pitch (controlled by how quickly the vocal folds vibrate), voice resonance (a result of the size and shape of the throat and mouth), articulation (how we produce the consonant and vowel sounds in our speech), and intonation (the melody we produce with our speech)…

A study on grammar and the bilingual brain

Posted October 2, 2021 by Guest Contributor

[A cartoon of the brain, with pictures of a heart, a thought bubble, music notes, numbers, a molecule, and words.]

We humans have a unique capacity to acquire language, even as adults. However, if you have ever used Duolingo, you might have realized that children are more successful at acquiring languages than adults. This observation is puzzling; since adults are smarter than children, shouldn’t it be the other way around? One set of explanations for this paradox focuses on parsing — that is, applying our knowledge of grammar as sentences unfold incrementally…

Infographic: Fast fashion and sustainability

Posted September 11, 2021 by ScIU Editorial Team

[infographic about environment friendly fashion. to read the original post go to https://blogs.iu.edu/sciu/2020/08/29/the-highest-price-of-fashion/]

Infographic: Seven tips to help the environment

Posted July 17, 2021 by ScIU Editorial Team

[infographic about environment friendly tips. to read the original post go to https://blogs.iu.edu/sciu/2019/09/14/7-tips-environment/]

Until I collapse: Arecibo’s more than 50 years of discoveries

Posted July 3, 2021 by Guest Contributor

[An overhead view of the massive Arecibo telescope built into a natural sinkhole. The green Puerto Rican forests can be seen surrounding the telescope dish.]

Famous for its appearances in movies and television including GoldenEye (1995), Contact (1997) and an episode of The X-Files (“Little Green Men”), the Arecibo telescope is a massive 305m (1,000 ft) radio telescope.  Built into a natural karst sinkhole on the island of Puerto Rico in 1963, it was in fact the largest single dish telescope in the world until China completed its Five-Hundred-Meter Aperture Spherical Telescope (FAST) in 2016.  Unfortunately for the astronomical community, Arecibo suffered severe damages this year that led to its eventual collapse…

Five ways to reduce water use

Posted June 19, 2021 by Guest Contributor

[Water running freely through a faucet on a sink.]

Water, the substance critical for daily life and even our survival, is quite abundant on earth. But not all water on earth is usable for our needs. Even though the majority of the earth’s surface is water, only around 2.5% of that water is freshwater. The water we use for drinking, cleaning, production, and many other vital functions is freshwater. Since the earth’s freshwater reserves are limited and required for many human activities, we need to collectively work together as a species to make sure we conserve our water usage. Decreasing wasteful water usage also provides a financial incentive as it would save families money on their water bill…

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