When you think of the Olympics you think of the sports: Speed skating, Bobsled. Snowboarding. Track, Gymnastics. Swimming. Tennis. Just to name a few. You may even think about some of the Olympians: Snowboarders Shaun White and Kelly Clark. Speed skater Apollo Ohno. Swimmers Michael Phelps and Katie Ledecky. Or even gymnast Simone Biles and sprinter Usain Bolt. But do you ever think about the science behind each sport? You should. Math and physics play a huge part in every part in the Olympics. Think about it. One of the most basic forces, friction, is a factor in everything an athlete does. What is friction? It’s the force that pushes back on you as you swim through the water or run through the air. Friction not only affects an athlete, but also the object they may be throwing, hitting, or kicking—like a baseball, a tennis ball, or a soccer ball. Movement of any kind deals with physics of air flow, engineering design, and (unfortunately) sometimes collision. The verdict? Athletes need to know a LOT of science to do well in their sports. Science is not just found in the activities themselves but also in the equipment they use and clothes they wear. Most of today’s superstar athletes rely on clothing and equipment enhanced with nanotechnology. What is nanotechnology? Nanotechnology is the science of the super small—microscopic even. One nanowire is 1,000 time thinner than a single strand of human hair. Now that is SMALL! Materials made with nanotechnology are stronger, more durable, and yet lighter and more flexible. Nanotechnology produces swimsuits that allow the athlete to glide through the water faster, golf clubs that hit the ball farther, and tennis rackets that flex more easily to provide the hard smash across the net. This innovative new technology has already been used in the Olympics. In 2008, swimmers Michael Phelps and Natalie Coughlin wore swimsuits that were created with nanofibers. These nanofibers are woven tightly so that the swimmer’s bodies become more streamlined (like a shark!) allowing them to glide through the water faster. In the 2014 winter Olympics, the U.S. speed skaters wore specially created vented suits (like the swimsuits—to reduce drag), and in the 2018 winter Olympics, the USA Snowboarders will be wearing snow gear inspired by the space program. Nanotechnology is a cutting-edge science that is changing the world of sports—and in particular the Olympics— as we know it. Will you make nanotechnology part of your game? The LZR Racer is a line of completion swimsuits manufactured by Speedo using a high-technology swimwear fabric. In March 2008, athletes wearing the LZR Racer broke 13 swimming world records. Much like other suits used for high competition racing, LZR Racers allow for better oxygen flow to the muscles, and hold the body in a more hydrodynamic position, while repelling water and increasing flexibility. Kathy Barnstorff via Wikimedia Commons Serena Williams uses a nanotech racket and Phil Mickelson uses nanotech technology in his game. Seems to be going well for both of them. (l) Wikimedia Commons (R) Photo by Siyi Chen via Wikimedia Commons ![]() A graphic highlighting all of the ways nanotechnology enhances the effectiveness of sports equipment. Nanowerk via Wikimedia ![]() You would have to increase a carbon nanotube x100,000 to make it the size of a strand of hair. NIEH.gov ![]() Want to know more? Jennifer Swanson's Super Gear: Nanotechnology and Sports Team Up was listed as one of the 2016 Best STEM Books by the National Science Teachers Association. Colorfully illustrated by photos, this book introduces "the science of the very small" as applied to sports equipment and clothing. MLA 8 Citation
Swanson, Jennifer. "The Science Behind the Olympics." Nonfiction Minute, iNK Think Tank, 7 Feb. 2018, www.nonfictionminute.org/the-nonfiction-minute/ the-science-behind-the-olympics.
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![]() Sneed B. Collard III
Several years ago, I rode the world’s fastest elevator to the top of one of the world’s tallest buildings—Taipei 101. Shaped like an elegant stalk of bamboo, Taipei 101 soars 1670 feet above the island nation of Taiwan. However, the engineers who designed the building faced two monumental challenges. The first is that dozens of earthquakes shake Taiwan each year. The second is that in an average year, Taiwan gets hammered by three or four hurricanes, or typhoons. How, engineers wondered, could they keep people comfortable inside Taipei 101 when it swayed back and forth? More important, how could they keep the building from getting damaged or collapsing in a massive earthquake or 100 mile-per-hour winds? One solution: a damper ball. Damping devices are weighty objects that can reduce the motion of a bridge, building, or other structure. In the case of Taipei 101, engineers placed the damper ball near the top of the building—the part that sways the most. The ball is hung from thick cables inside the building and rests on giant springs or “dampers.” One of Isaac Newton’s basic laws of physics is that an object at rest tends to stay at rest—and the damper ball proves it. Every time Taipei 101 starts swaying, the damper ball wants to stay where it is and “pulls back” on the building, reducing how far the building moves. When the building sways in the opposite direction, the process repeats itself—but in the reverse direction. Of course the building also pulls on the damper ball, but the ball’s movements are restricted by the dampers it presses against. Does the system work? You bet. The damper ball inside of Taipei 101 reduces the building’s movement by 30 to 40 percent! Of course not just any damping device could protect an enormous building like Taipei 101. Taipei’s damper ball weighs 1.5 million pounds—as much as two fully-loaded jumbo jets. It is composed of 41 circular steel plates that stand taller than a one-story house. In 2008, when a giant earthquake hit mainland China, the people of Taiwan could feel it hundreds of miles away. The damper ball did its job, resisting Taipei 101’s movement, keeping the building safe. During Typhoon Soudelor in 2015, the damper again worked like a charm, protecting the building against 100- to 145-mile-per-hour winds. Besides protecting Taipei 101, the damper ball has become a major tourist attraction. Each year, thousands of visitors ride to the 89th floor. They take selfies next to the damper ball. They even take “Damper Baby” souvenirs home with them. If you’re ever lucky enough to visit Taiwan, check it out!
![]() The damper ball is visible between the 89th and 91st floor of Taipei 101 and has become an attraction for tourists. ![]() Sneed B. Collard III is author of more than eighty award-winning children’s books as well as a new book for educators, Teaching Nonfiction Revision: A Professional Writer Shares Strategies, Tips, and Lessons. Sneed is a dynamic speaker and offers school and conference programs that combine science, nature, and literacy. To learn more about him and his talks, visit his website,. To learn more about the damper ball and watch how it performed during Typhoon Soudelor, check out this article and video: http://www.thorntontomasetti.com/taipei-101s-tmd-explained/ MLA 8 Citation
Collard, Sneed B. "Damping Down Danger." Nonfiction Minute, iNK Think Tank, 10 01 2018, www.nonfictionminute.org/the-nonfiction-minute/ Damping-Down-Danger. ![]() In the late 1800's when homesteaders first located their new claims in the Midwest, some saw nothing in any direction but tall prairie grass. On 160 acres of windswept land, there might not be a single tree. But these settlers were resourceful. They set to work building homes and barns from the one thing they had in abundance: the sod beneath their feet. Because the soil had never been tilled, roots were tightly packed, and sod could be cut from the earth in three-foot- thick blocks. The sod houses that settlers built stood up well to harsh Midwest weather. Sod was a natural insulator, keeping out cold in winter, and heat in summer, while wood houses, which usually had no insulation, were just the opposite: always too hot or too cold. Another advantage of a soddy was that it offered protection from fire, wind, and tornadoes. But a soddy also had drawbacks. Dirt constantly sifted down from the ceiling, making it almost impossible to keep clean. Rain or melting snow caused water to work its way through the roof and walls and run in trails along the floor, turning it to mud. Settlers actually used umbrellas or wore jackets—not to mention boots--to keep dry. Heavy rains and snow put the roof at risk of collapsing under the extra weight. If the soddy was built into a hillside and the family cow decided to graze on the roof, the cow could come crashing through the ceiling, especially if it had rained or snowed recently. The worst drawback was insects and critters. Blocks of sod were home to fleas, ticks, mice, worms, and even snakes. One settler reported a snake dropping down from the rafters right onto the table at dinnertime. And a young mother never got over finding a snake curled up with her baby. Before getting up in the morning, folks learned to look under the bed first--because you just never knew. In spite of this, lots of settlers loved their soddies and stuck with them even after they could afford to have wood shipped in to build what most people considered to be a proper house. They added on rooms, plastered all the walls, and installed wood floors and ceilings to keep the critters out. With that done, living in a soddy suited them just fine. And when the soddy needed repairs, they merely stepped outside, looked down—and there was their building material. ![]() You can learn more about what it was like to live in a sod house in Andrea Warren's nonfiction book for young readers,Pioneer Girl: A True Story of Growing Up on the Prairie. Andrea Warren is a member of iNK's Authors on Call and is available for classroom programs through Field Trip Zoom, a terrific technology that requires only a computer, wifi, and a webcam. Click here to find out more. MLA 8 Citation
Warren, Andrea. "Snakes on the Dinner Table! Life in a Sod House." Nonfiction Minute, iNK Think Tank, 9 Mar. 2018, www.nonfictionminute.org/ the-nonfiction-minute/Snakes-on-the-Dinner-Table-Life-in-a-Sod-House. ![]() “What is this country bumpkin up to? Is this some kind of a joke?” Laughter rippled through the conference room in Richmond as Lemuel Chenoweth unloaded his saddlebags and took out a bunch of oak sticks wrapped in newspapers. He was the last builder to show his plans for the great competition in 1850 to build a bridge across the Tygart River in western Virginia (now West Virginia). Only a ferry connected the bustling north-south throughway at Philippi, causing traffic jams and the slowing of our young nation’s relentless commerce and travel. Engineers had come from all over the east to show their plans … blueprints of cable suspension bridges, fancy cantilevered structures, an arched bridge. It had to be durable, and support wagonloads of heavy goods and herds of livestock. ridge across the Tygart River in western Virginia (now West Virginia). Only a ferry connected the bustling north-south throughway at Philippi, causing traffic jams and the slowing of our young nation’s relentless commerce and travel. Quietly Lemuel assembled a miniature bridge, using no hammer or nails. Compared to the fancy bridge models shown, his was plain. Then, he pulled out two chairs, placed his construction across them, and spoke. “Since I have no blueprints,” he said, “you may allow me a demonstration.” Suddenly he stepped up onto the top of the model, and walked across it--from one end to the other. A gasp went up. No way could it hold! They knew their mathematics. Had this been the actual bridge it would have been as if a six-hundred-foot man stood on it. But the model held, and in the hushed silence that followed, Lemuel turned to the other contestants and asked, “Can you stand on your models?” No one dared. They all knew theirs would be crushed. And that's how Lemuel Chenoweth, a shy western Virginian with a third-grade education, won the competition for the famous Tygart River Bridge. The double-barreled bridge has survived fires, the Civil War, floods, and 18-wheeler trucks. It is the only covered bridge left in the US serving a federal highway. It has its own museum, and in 1983 Governor Jay Rockefeller declared June 15 Lemuel Chenoweth Day. Lemuel started out making furniture, wagons, and coffins, and later built houses, a church, and many bridges. He married Nancy Hart, the great-granddaughter of John Hart, signer of the Declaration of Independence. They had 13 children. So how do we know about this story? Because Lemuel Chenoweth was my great-great- granddaddy, and throughout my childhood I heard the story of Lemuel, the model bridge, and the two chairs. ![]() Roxie Munro's newest book uses thirty-seven of her favorite masterpieces by great artists as an inspiration for her own masterpiece that is a cityscape and a game. You can read a review of the book here. Roxie is also a member of iNK's Authors on Call where you can invite her to your classroom virtually. MLA 8 Citation Munro, Roxie. "Lemuel's Bridge." Nonfiction Minute, iNK Think Tank, 16 Oct. 2017, www.nonfictionminute.org/the-nonfiction-minute/lemuels-bridge. ![]()
This summer, you may be able to observe an amazing event in nature. You can watch a small animal build a structure much bigger than itself, using materials from inside its own body!
This is what happens when a spider spins a web. Inside a spider are glands that can produce seven different kinds of silk. The silk comes out of little spigots, called spinnerets, at the rear of the spider's body. A strand of spider silk is stronger than a similar strand of steel, and spiders use this amazing material in many ways. If they catch an insect, they may wrap it in silk, to eat later. Female spiders enclose their eggs in a silken sac to protect them. And some spiders—almost always females—make webs that are death traps for insects. Webs can be in the shape of funnels, sheets, or domes, but the best-known are called orb webs. From an orb web's center, lines of silk radiate out in all directions, like the spokes of a bicycle wheel. After building this basic structure, a spider goes round and round, laying down ever-bigger circles of silk. Some of the silk threads have sticky glue to catch a moth or other prey. A spider can create this whole complex design in an hour or less. When an orb web is complete, some kinds of spiders wait right in the center. Others hide at an edge. Either way, the builder keeps a front leg in touch with the web. Vibrations from the threads tell a spider whether prey has been caught. Spiders often have to repair their webs, and some species routinely build a new one every day. And they recycle! They eat most of their old web. After digestion, it becomes brand new silk for the next construction job. You may be able to watch a spider on the job. Look for webs in a field, park, or backyard. Also look for webs near doors, windows, or on a porch. The nighttime lights from such places attract night-flying insects, and spiders often build webs there. They may or may not be orb webs, but watching any kind of spider at work on its silken insect-trap can be fascinating fun. And remember: the spider wants nothing to do with you. It is just trying to stay safe and catch some food.
This video was shot by Ingrid Taylor, " I shot this a few minutes after the rain subsided, when the City of Spiders outside the door came to life. Mass web-building and repair going on..." wikimedia commons
![]() .To learn more about the lives of spiders, and see spectacular realistic illustrations, see Laurence Pringle's book:
MLA 8 Citation
Pringle, Laurence. "Watch a Webmaster at Work!" Nonfiction Minute, iNK Think Tank, 14 June 2018, www.nonfictionminute.org/the-nonfiction-minute/ Watch-a-Webmaster-at-Work. |
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