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polymers

Examples

  • A polymer (from the Greek words polys, meaning "many," and meros, meaning "parts" [1]) is a chemical compound consisting of large molecules, each of which is a long chain made up of small structural units that are linked together by covalent chemical bonds. — “Polymer - New World Encyclopedia”,
  • Polymers, an international, peer-reviewed Open Access journal. Interests: membrane gas separation polymers; fuel cell membranes; polymers of intrinsic microporosity; click chemistry polymers. — “Polymers | Editorial Board”,
  • Polymers definition, a compound of high molecular weight derived either by the addition of many smaller molecules, as polyethylene, or by the condensation of man See more. — “Polymers | Define Polymers at ”,
  • In proteins, these differences can give the polymer the ability to preferentially adopt one conformation over another, as opposed to adopting a random coil (see self-assembly). Although most polymers are organic (based on carbon chains), there are also many inorganic polymers. — “Polymers - Definition”,
  • Polymers are substances whose molecules have high molar masses and are composed of a large number of repeating units. The materials commonly called plastics are all synthetic polymers. Polymers are formed by chemical reactions in which a large number of molecules. — “Chemical of the Week -- Polymers”, scifun.chem.wisc.edu
  • A tutorial on polymers and polymerization suitable for high school students. — “Chemistry Tutorial : Polymers and Polymerization”, .au
  • Review of natural and synthetic polymers currently in use in the plastics, composite and man-made fiber industries. Descriptions, chemical structures, characteristics and applications. Author: David A. Katz. — “POLYMERS”,
  • Polymers Concept Formed from hydrocarbons , hydrocarbon derivatives, or sometimes from silicon, polymers are the basis not only for numerous natural. — “Polymers: Information from ”,
  • Polymers are substances whose molecules have high molar masses and are composed of a large number of repeating units. The materials commonly called plastics are all synthetic polymers. Polymers are formed by chemical reactions in which a large number of molecules. — “Polymers”,
  • The terms polymer and monomer were derived from the Greek roots poly (many), mono (one) and meros (part). Recognition that polymeric macromolecules make up many important natural materials was followed by the creation of synthetic ***ogs having a variety of properties. — “Polymers”, www2.chemistry.msu.edu
  • Polymers are molecules which consist of a long, repeating chain of smaller units called Polymers have the highest molecular weight among any molecules, and may consist of. — “What are Polymers?”,
  • In the area of polymer science and engineering, it makes novel scientific and technological results available both in academia and industry, and basically free of charge. We hope that other national polymer groups will follow this generous action with their own initiatives to further support our. — “e-polymers - Home”, e-
  • Appearance of real linear polymer chains as recorded using an atomic force microscope on surface under liquid medium. A polymer is a large molecule (macromolecule) composed of repeating structural units. — “Polymer - Wikipedia, the free encyclopedia”,
  • Definition of Polymers in the Online Dictionary. Meaning of Polymers. Pronunciation of Polymers. Translations of Polymers. Polymers synonyms, Polymers antonyms. Information about Polymers in the free online English dictionary and encyclopedia. — “Polymers - definition of Polymers by the Free Online”,
  • Polymers. The word polymer literally means "many parts." A polymeric solid material may be considered to be one that contains many chemically bonded parts or units which themselves are bonded together to form a solid. We are all pretty aware of the various plastic/polymer products in our life. — “Polymers”, engr.sjsu.edu
  • An explanation for what polymers are and their monomer composition. A definition including descriptions of different types of natural (carbohydrate, protein) and synthetic (plastics) polymers. — “Polymers - Macromolecular Chains - Chains of Monomers”,
  • Polymers consist of many repeating monomer units in long chains. Another common name for many synthetic polymers is plastic which comes from the Greek word "plastikos", suitable for molding or shaping. — “Polymers”, elmhurst.edu
  • Historic Domain Name For Sale • LLC has announced it has placed for sale it's unused and historic predecessor domain name; . — “ is for sale”,
  • Manufacturers and suppliers of polymer process equipment, monomers, specialized resins, as well as additives and basic products. — “Polymers Information | ”,
  • A polymer is a macromolecule in which all of the molecules have a small characteristic structural feature that repeats itself again and again. Polymers therefore do no consist of molecules identical in size but identical in kind. — “CHEMystery: Organic Chemistry: Organic Polymers”,
  • If you're after basic information on plastic materials, this is the place to find it. Here you'll learn the definition and properties of polymers, another name for plastics. — “Plastics Division : the basics - polymer definition and”,

Images

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  • leadership guidance and support You will develop demand driven training provision through structured skills stratagies and focused well managed projects Closing date 16th April 2007 Please click here to view the Skills Development Director Polymers
  • ÚT plyn kotelna zdravotechnika vodoinstalace odpadní potrubí United polymers Vytápění hal plyn zářiči kotelna zdravotechnika
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  • that assembled in the solid state into photonic band gap materials These polymers assembled into ordered morphologies with large domain sizes that made the material appear colored Surface Chemistry
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  • Introduction Semiconductor and inorganic materials have been extensively investigated and developed during the past two decades to meet the demands of high speed telecommunications and
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  • Amanda Holt is currently working on biosensors A biosensor is a device in which a biological element is used to sense chemicals in a system The goal of the biosensor device is to produce an electric signal
  • Sample Chromatogram
  • MAKROLON Polykarbonátové presklievacie platne Dosky MAKROLON sa dodávajú ako dutinové MAKROLON multi UV alebo plné dosky MAKROLON GP prípadne MAKROLON UV Všetky typy dosiek majú vysokú pevnosť minimálnu plošnú hmotnosť
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  • polymers The following figure shows two examples a formaldehyde H2CO can polymerise to form a pentose sugar and b hydrogen cyanide HCN can form a complex compound called adenine These examples were chosen because adenine and pentose sugars are involved in two other key chemical complexes The first of these is combines adenine with pentose sugar together with three
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Videos

  • MBA Polymers UK MBA Polymers continues to expand into European markets, introducing MBA Polymers UK
  • POLYMER WEAPONS, PERSONAL DEFENSE TOOLS, HOLSTERS, SHEATHS, ETC.. POLYMER WEAPONS...Personal Defense tools, Holsters, sheaths, grips in knives, batons, flashlights, shotguns shell, etc... The hardest part of making this video was the fact that I had to clean up this mess...lol!!! Zytel, Kydex, G-10, FRN, ABS, Grivory, Noryl GTX, etc...Polymers, plastics, and other space age material are part of the weapons and equipment. We in the gun and knife culture use. I just found it fasinating.
  • Intertek Polymer Testing Services An overview of Intertek testing and technical services provided by Intertek Polychemlab in The Netherlands. www.intertek-
  • DIRTY RAIN H1N1: How ChemTrails can use polymers to protect and grow Virus or Bacteria in CLOUDS This is my theory on how super-absorbant polymers can be used in conjuction with bacteria, viruses, animal proteins, and cloud seeding to cultivate and protect any virus or bacteria, then have it rain down on any selected target, and infect them with disease. The patent discussed can be found here: www.patentstorm.us
  • Real-time holographic videos based on photorefractive polymers From the paper "Holographic three-dimensional telepresence using large-area photorefractive polymer;" by P.-A. Blanche, A. Bablumian, R. Voorakaranam, C. Christenson, W. Lin, T. Gu, D. Flores, P. Wang, W.-Y. Hsieh, M. Kathaperumal, B. Rachwal, O. Siddiqui, J. Thomas, RA Norwood, M. Yamamoto, and N. Peyghambarian, published in Nature 468: 80--83, 04 November 2010: "Holography is a technique that is used to display objects or scenes in three dimensions. Such three-dimensional (3D) images, or holograms, can be seen with the unassisted eye and are very similar to how humans see the actual environment surrounding them. The concept of 3D telepresence, a real-time dynamic hologram depicting a scene occurring in a different location, has attracted considerable public interest since it was depicted in the original Star Wars film in 1977. However, the lack of sufficient computational power to produce realistic computer-generated holograms and the absence of large-area and dynamically updatable holographic recording media have prevented realization of the concept. Here we use a holographic stereographic technique3 and a photorefractive polymer material as the recording medium4 to demonstrate a holographic display that can refresh images every two seconds. A 50 Hz nanosecond pulsed laser is used to write the holographic pixels5. Multicoloured holographic 3D images are produced by using angular multiplexing, and the full parallax display employs spatial multiplexing. 3D ...
  • Water Gel - Water Absorbing Polymer Order now at Also known as slush powder, this powder instantly turns a liquid into a solid. Sodium polyacrylate absorbs from 800 to 1000 times its weight in water and is actually the secret ingredient that's used to absorb "liquid" in baby diapers! Includes a science activity guide with lots of fun polymer tricks to play on your friends! Water Jelly Crystals are an example of amazing Hydrogels... superabsorbent polymers that are saving the environment.
  • Boat Barnacle Removal with KISS Polymers Here we see a boat that has been coated in KISS Polymers' KISS-COTE. The boat was left in the water for several months and then removed to clean the barnacles off of it. The barnacles come right off with a pressure washer and are so easily removed, they can be flicked off with a fingertip!
  • Polymerization Synthetic fiber of nylon created by polymerization reaction. The same product is available in toy store as string confetti.
  • Chemistry Tutorial 13.4c: Organic Reactions - Polymers This video describes polymers and polymerization reactions.
  • Shape recovery response of a shape memory polymer This video demonstrates the shape memory behavior of a shape memory polymer. The polymer regains it's original shape when it is heated above its glass transition temperature. Journal article: Srivastava, V., Chester, SA, and Anand, L., "Thermally-actuated shape-memory polymers: experiments, theory, and numerical simulations," Journal of the Mechanics and Physics of Solids, 58, 1100--1124, 2010.
  • Plastic Milk experiment - Making polymers in the kitchen Caroline and Val make plastic from milk and vinegar. This is one of the experiments featured in our new book 'How to Fossilise your Hamster'.
  • Degradation of polymers A short educational movie - degradation of polymers
  • Online Chemistry Lecture - Polymer Strands Video taken from an Online Chemistry course provided by Ecampus at Oregon State University. The topic of this lecture is on Polymer Strands by Dr. Richard Nafshun. You can enroll in full length classes at ecampus.oregonstate.edu
  • MBA Polymers.wmv About MBA Polymers, Inc. () MBA Polymers is a recognized global leader in the production of sustainable high-value plastics recovered from complex resource streams and end-of-life durable goods such as appliances, business machines and automobiles. The company is not only the technological leader in this developing area, but also the first global company to provide such services and materials. MBA has been recognized with numerous international awards such as the Thomas Alva Edison Award for Innovation, the World Economic Forum Technology Pioneer Award, and the Tech Museum Intel Environmental Award. MBA has also been selected as a Global Cleantech 100 company and as one of the top 5 CleanTech companies in Europe by two different organizations. The company's founder, Dr. Michael Biddle, was selected to receive the prestigious 2010 ECONOMIST Innovation Award for Energy and the Environment.
  • Polymers are made from Monomers This clip is useful for GCSE chemistry, showing polymers are made from small units called monomers. I use shopping trolleys to represent monomers, then when they are pushed together in a chain, they are like polymers. It's a bit silly but a bit of fun!
  • Prospects of Polymer Electronics Prospects of Polymer ElectronicsPolymers have always been associated with revolutionary innovations in science and industry. Polymers have efficiently replaced conventional insulators for a long time. Micro electronics and radio engineering successfully employ polymers as construction materials due to their diversity and possibility of production from materials with various physical and chemical properties. Today manufacturers actively search for conductive promoted polymers. They develop compounds with non-linear characteristics under field effects. If successful, such researches may change the technology of producing key electronic components. New polymers enable to produce from plastic numerous and divers electronic components such as transistors, sensors, solar cell components, light-emitting diodes, ports, high-temperature wires and cables, panels and etc. Light-emitting diodes were first electronic devices made of polymers. Structurally, LED design should ensure the most transparent electrode, hole transport layer, electroluminescent layer and wave guide; while the electron transport layer and negative electrode should provide for the maximum interference reflection and mirror reflection of radiation. We can now see that available researches and developments allow to produce the organic light-emitting diodes on a commercial basis.Scientists work on special types of conductive plastic. Conductive and light-emitting plastics will change the nature of electricity. For ...
  • Super Absorbent Polymers and Hydrophobic Sand! - Quirkles KOLR 10 Science Experiment Watery William, one of TheQuirkles, KOLR 10, and Terri Johnson demonstrate some cool science experiments that involve the properties of water. Learn how jelly crystals (these can expand up to 300 times their original size!) and hydrophobic sand absorb and repel water on the KOLR 10 morning news show. Meet Watery William here! The Quirkles books - - are an educational series that offer a fresh new way to integrate literacy and science at school or at home. Each book is full of vocabulary builders, character education lessons, and two related science experiments that allow for hands on activities, helping to reinforce the topics that were just read. The series was created by teachers, and each story teaches the phonetic sounds that serve as the building blocks for reading, while also making science—earth, physical, and life—fun to learn. Watery William book -
  • Polymer Innovations Dams Photo Slideshow More Info @ bit.ly Polymer Innovations produces the world's best polymer based dam or pond sealant that is 100% customisable to your specific environment. Whether the leak is in the base, wall, through rock or any soil type Polymer Innovations has the specific Water$ave PL dam sealant to put an end to your water losses. The best time to treat your leaking dam with Water$ave PL Plug is when there is water in the dam, especially after recent rain. While there is water about & your dam is filling, stop those dam leaks before it costs you a lot more money. Putting your crops, stock & livelihood at risk. There are other ways of sealing your dam using such products as bentonite clay, lime or with a lining. Most of these solutions have to be implemented when the dam is built. Even then due to time or money restrictions these dams are not built as well as they should be where such things as soil conditions & seasonal changes are not considered. Water$ave PL is a blend of lineal & cross linked polymers that are 99% insoluble, non toxic & biodegradable. It will not harm plants, fish, yabbies or livestock.
  • Superabsorbant Polymers Superabsorbant polymers are a special class of polymers called polyelectrolytes that have a charge on the polymer chain that increases the solubility in water. They are generally used in the form of small particles that are crosslinked so they will form gel rather than completely dissolving. The polymer gel absorbs water and the charges along the chain repel each other, stretching out the chain and enhancing the swelling of the gel. Superabsorbant polymers can readily absorb 100 times their volume in water! Super absorbent polymers are used in products like disposable diapers, for cleaning up water based environmental spills, and for preventing rain water runoff in agricultural areas.
  • Polymer Chains Polymers are long chain molecules. Our "polymer-in-a-can" demonstration shows relative size of a polymer chain scaled up to macroscopic dimensions. If an equivalent molecular weight is calculated for the "chain" shown in the movie (assuming a polyethylene molecule), the value is about 80000 g/mole. This is a relatively low molecular weight polymer and many applications for polyethylene would require a significantly higher molecular weight to attain good mechanical properties.
  • POLYMERS- Yeah This was a chemistry project for our class. Not very educational. Group: Jennifer, Christian, Paxton, Adrian, Paul Song Used: Fergie- Glamorous
  • Online Chemistry Lecture - Polymers Video taken from an Online Chemistry course provided by Ecampus at Oregon State University. The topic of this lecture is on Polymers by Dr. Richard Nafshun. You can enroll in full length classes at ecampus.oregonstate.edu
  • what are polymers? chem project
  • Polymers - Make Your Own Slime make as much slime as you want with some simple items. elmers glue 20 Mule Team Borax laundry booster 2 liter bottle water plastic cups stirrers Molecules in polymer polyvinyl acetate (elmers glue) are linked by sodium tetracarborate(borax)
  • Color Polymer Crystals for Plants (How To) Subscribe for more FREE tutorials! Shows how to color polymer crystals that are used for soil moisture. These crystals are added to soil or alone in a vase. They absorb moisture for days and grow A LOT! Any normal food coloring will work.
  • Shape memory polymers Mitchell Anthamatten, Assistant Professor and Scientist at the Laboratory for Laser Energetics, discusses shape memory polymers
  • Smart Polymer Inspired by Sea Cucumbers Researchers unveil a polymer that can change fro a hard to soft plastic in seconds when exposed to a liquid. Stuart Rowen, Chris Weder Cleveland, OH
  • Certainteed Polymer Slate (Symphony Series) & Hybrid Insulation - CertainTeed, manufacturers of sustainable energy efficient products, had a bunch of great products on display at their booth at this year's Greenbuild conference. Two really awesome products we took notice of were a hybrid insulation product, composed of part spray foam insulation and part blown virgin fiberglass, and a beautiful faux slate roofing product (the Symphony series) made of polymers and significantly lighter than real slate. The Buildaroo News Team interviewed Lucas from Certainteed about these awesome energy efficient products. Watch the video above to find out more. And watch more videos about sustainable building products at . A bit of info about these products: The Symphony Series - made to replicate the appearance of slate - made of polymers and lighter than slate - as a result, less load weight on the roof. Can have the appearance of slate even if your roof wasn't designed to bear that weight. - solar reflectance above 35%; as a result it qualifies for tax credits while saving money on energy costs. - can reduce attic temperatures by as much as 60 degrees Fahrenheit. - life expectancy is 40 - 60 years - can be sent back to CertainTeed if there are issues. CertainTeed Hybrid Insulation - composed of an inch of spray foam, which contributes to air sealing the house, and virgin fiberglass which adds insulation value to the house. - installed as two products - The foam is sprayed in, and a netting is applied over the studs. A tube is put through ...
  • [DD] Fun With Diapers - Super Absorbent Polymer Testing the limits of Super Absorbent Polymer, also known as "The Diaper Polymer" filmed and edited by DailyDiapers
  • Stratospheric Aerosol Geoengineering, Bio-Active Crystalline Cationic Polymers Chemtrails are actually called geoengineering. Aluminum Oxide and Sulfur Dioxide are added to jet fuel or sprayed by commercial wide- body aircraft at ~$0.3/pound (in dollars adjusted for 1997 inflation), leaving those giant white trails in the sky. After enough are sprayed, the sky turns to overcast. They are patented by US Patent 5003186 and are mentioned by Lawrence Livermore National Laboratory, Council on Foreign Relations, UK Parliamentary OST, and other think tanks, agencies, and in academia. These scientists are trying to imitate the volcanic ash emissions caused by Mt. Pinatubo that erupted in 1991 in the Philippines. Studies by NASA have shown that the ash coverage cooled the earth, so this is their solution global warming, now referred to as climate change. I say we let nature run its course, and switch to cleaner fuels. The spraying needs to stop. Sulfur Dioxide causes acid rain, Aluminum oxide causes reproductive harm and skin irritation. CO2 increasing is actually a plus, because more plant life will grow, and eventually the plant life will balance out the excess CO2. These scientists clearly don't care about the long term consequences, and the "greater good" they push in the "Geoengineering Option" by the CFR is total non-sense. SUVs and factories causing climate change is baloney, especially if the scientific community's false solution is to dump pollutants in the atmosphere using aircraft. These scientists are scam artists, trying to push a carbon tax ...
  • Oil Absorbing Polymer Order now at Add a small amount of beautiful red oil to a jar of water and figure out a way to remove the layer of oil, now floating on the surface. This amazing science kit includes a patented oil polymer and enough Marvel Mystery Oil (similar in chemical composition to crude oil) to repeat the science demonstration a dozen times. Also included is a science activity guide with information on oil polymer chemistry, lots of ideas for demonstrations and a follow-up inquiry-based science activities. Great for science fair experiments!
  • Polymer Innovations General Photo Slideshow Please Visit Us @ .au We specialise in cost effective super absorbent & flocculating polymers, to assist in the management & efficient use of water. These easy to use products can seal leaking dams, save water, prevent soil erosion, control coal sludge, stabilise run-offs or maintain roads & crops. We also design polymers that make artificial snow, assist with gardens, parks & landscaping or even stabilise floral arrangements for your displays. Our continual research & development ensures that we meet the specific requirements & conditions of our clients. We work with you to support your team on getting the best performance from our polymers. All products are manufactured at the highest quality, environmentally friendly, biodegradable & non toxic.
  • Lecture - 11 Polymers (Contd.) Lecture Series on Materials Science by Prof.SK. Gupta, Department of Applied Mechanics ,IIT Delhi. For more details on NPTEL visit nptel.iitm.ac.in
  • What is a smart polymer?-June 1, 2010
  • Oil Absorbing Polymer - Oil Spill Cleanup Powder Check out this and other cool science experiments at Steve talks about the tragic Louisiana oil spill in the Gulf of Mexico and demonstrates a polymer that has the ability to absorb oil. Could this powder be the solution to cleanup our oceans? About Steve Spangler Science... Steve Spangler is a celebrity teacher, science toy designer, speaker, author and an Emmy award-winning television personality. Spangler is probably best known for his Mentos and Diet Coke geyser experiment that went viral in 2005 and prompted more than 1000 related YouTube videos. Spangler is the founder of , a Denver-based company specializing in the creation of science toys, classroom science demonstrations, teacher resources and home for Spangler's popular science experiment archive and video collection. Spangler is a frequent guest on the Ellen DeGeneres Show where he takes classroom science experiments to the extreme. Check out his pool filled with 2500 boxes of cornstarch! Cool Science Toys - Sign up for the Experiment of the Week - http Watch Spangler's Science Videos - Attend a Spangler Hands-on Science Workshop for Teachers - Visit Spangler's YouTube Channel - Join the conversation on Steve Spangler's blog - Additional Information On the education side, Spangler started his career as a science teacher in the ...
  • Waterproof Concrete with KISS Polymers We accidentally spilled KISS-COTE on a batch of concrete. The results were astounding! The concrete resisted mold growth and repelled water!
  • Polymer Synthesis In Chemistry Class In Chemistry class, we made Nylon! Two solutions are mixed together. A paper clip is inserted down into the solutions. As the paper clip is withdrawn, almost by magic a very long strand of nylon is pulled from the beaker. The two solutions are hexamethylenediamine and adipoyl chloride.
  • Combinatorial Polymers Scaffold Library This is a demonstration of how to make combinatorial polymer scaffold libraries for rapid screening of cell-material interactions in 3D. This approach will help accelerate the developmentof new devices for tissue engineering applications
  • FEMMES Capstone Event 2010 - Polymers In Action (2) FEMMES Capstone Event - February 27, 2010 Chemistry Outreach with Shreya Prasad, Katie Reichert, Emmanuelle Noar, Hazel Asumu, Mary Bohan (Team 1) "Polymers in Action!" Polymers play a very important part in our lives. In fact, DNA, the genetic blueprint that defines people and other living things, is a polymer. Polymers are long chains of molecules that give a substance the ability to stretch and be very flexible, they include things such as plastics, nylon and cotton. In this workshop we will have several hands on activities that explore the many different forms of polymers to help us learn the numerous applications they have in everyday life. Dr. Ken Lyle - Chemistry Outreach Coordinator Dr. Ken Lyle works for the Department of Chemistry of Duke University as an instructor, lecture-demonstrator, and chemistry outreach coordinator. Ken earned a Bachelor's of Science degree in Education from the University of Tulsa, a Master's degree in Education from the University of Houston, and a Doctorate in Chemistry from Purdue University. His research investigated the experiences of female pre-professional majors learning chemistry in order to better understand the factors contributing to the difficulties learning and understanding the chemical concepts. In his free time, Ken likes to bowl, hike, and take long walks on the beach. Shreya Prasad is a senior and an International Comparative Studies major focusing in South Asia. She is also pre-med and will apply to medical school ...
  • FEMMES Capstone Event 2010 - Polymers In Action (1) FEMMES Capstone Event - February 27, 2010 Chemistry Outreach with Shreya Prasad, Katie Reichert, Emmanuelle Noar, Hazel Asumu, Mary Bohan (Team 1) "Polymers in Action!" Polymers play a very important part in our lives. In fact, DNA, the genetic blueprint that defines people and other living things, is a polymer. Polymers are long chains of molecules that give a substance the ability to stretch and be very flexible, they include things such as plastics, nylon and cotton. In this workshop we will have several hands on activities that explore the many different forms of polymers to help us learn the numerous applications they have in everyday life. Dr. Ken Lyle - Chemistry Outreach Coordinator Dr. Ken Lyle works for the Department of Chemistry of Duke University as an instructor, lecture-demonstrator, and chemistry outreach coordinator. Ken earned a Bachelor's of Science degree in Education from the University of Tulsa, a Master's degree in Education from the University of Houston, and a Doctorate in Chemistry from Purdue University. His research investigated the experiences of female pre-professional majors learning chemistry in order to better understand the factors contributing to the difficulties learning and understanding the chemical concepts. In his free time, Ken likes to bowl, hike, and take long walks on the beach. Shreya Prasad is a senior and an International Comparative Studies major focusing in South Asia. She is also pre-med and will apply to medical school ...