13-year-old Ohio girl taps traffic to generate renewable energy

July 10, 2017 by  
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We may be one step closer to tackling our energy crisis if this 8th grader has anything to say about it. 13-year-old Laalitya Acharya from Ohio came up with TraffEnerate, an invention that uses vehicular traffic to generate clean power . She’s a finalist in the 2017 Young Scientist Challenge , and stands to win $25,000. Acharya started researching cheap, easily renewable resources of energy, and came across a device she calls a piezo. She explains when stress is applied to a piezo, it generates electricity . She wanted to make it easy to utilize piezos, so she designed TraffEnerate to obtain power when cars drive over the devices. Her prototype incorporates 11 piezo sensors and a 3D-printed block so stress will be applied to all 11 piezos even if a car just barely passes over the corner of the prototype. Related: 13-year-old Maanasa Mendu invents groundbreaking clean energy device that costs just $5 Acharya also designed a reciprocating motion machine to test the prototype. Her robot consistently applied stress to the invention, seen in an oscilloscope reading. She hopes to implement TraffEnerate in the busiest intersections of her hometown of Mason, Ohio . Acharya said on the challenge website, “I wanted to change the world, that simple. On my family’s yearly trip to India, I saw children who have no power in their homes, huddling near dangerous fires. I wanted to change their position in life, to make it better by creating clean energy and electricity.” The 2017 Young Scientist Challenge is put on by Discovery Education and 3M . There are 10 finalists for this year’s challenge, with innovative projects such as a way to detect lead in water, treating Alzheimer’s with plant components, and cleaning up oil spills with pomegranate husks and orange peels. A winner will be chosen in October. + Young Scientist Lab Via Young Scientist Challenge and Rajesh Acharya Images via screenshot

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13-year-old Ohio girl taps traffic to generate renewable energy

Praying mantises hunt down and eat small birds, including hummingbirds

July 10, 2017 by  
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We know praying mantises are carnivorous – they’ve been documented consuming frogs, lizards, and snakes. But they also kill and consume small birds like hummingbirds , according to new research from zoologists in Switzerland and the United States. We expect birds to eat insects , not the other way around, so the reversal is startling – and humans may have had a role to play in the deaths of these hummingbirds. The zoologists gathered 147 cases of mantids capturing small birds. Praying mantises from 12 species and nine genera engaged in the behavior, which was found on every continent except Antarctica, in 13 countries. The insects weren’t too picky about the birds they ate either – 24 different species and 14 families of birds were among the prey. Related: 9 things you can do to help wild birds this summer But 70 percent of the cases in this research occurred in the United States. There, the insects have been employed as pest control – a practice which had unintended consequences. Several alien species of big praying mantises were released in North America decades ago for pest control, and now threaten small birds. They snare hummingbirds at hummingbird feeders, or in home gardens filled with plants the birds pollinate . These hummingbirds comprise the majority of the birds preyed upon by praying mantises. 78 percent of the birds captured were eaten, according to the researchers. 18 percent were liberated by humans. Only two percent escaped on their own. Scientist Martin Nyffeler of the University of Basel said in a statement, “Our study shows the threat mantises pose to some bird populations. Thus, great caution is advised when releasing mantises for pest control.” Nyffeler was the lead author on a paper recently published in The Wilson Journal of Ornithology , joined by zoologists from National University and Louisiana State University . Via TreeHugger and the University of Basel Images via Zoran Ožetski on Unsplash and Beckie on Flickr

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Praying mantises hunt down and eat small birds, including hummingbirds

Nuns build open-air chapel to protest natural gas pipeline on their land

July 10, 2017 by  
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Battles against fossil fuel pipelines aren’t limited to North Dakota. In Lancaster County, Pennsylvania , a group of Catholic nuns is fighting against a natural gas pipeline that would run beneath land they own. They’re protesting the pipeline in a unique way by building an open-air chapel for people to visit and reflect on “just and holy uses of land.” The nuns, part of the Adorers of the Blood of Christ order, own land in West Hempfield Township that stands in the path of the Atlantic Sunrise Project, a pipeline for natural gas being pursued by Williams Partners to extend the Transco pipeline system that already runs from Texas to New York. Even though the nuns have not wanted their land used for the pipeline, the Federal Energy Regulatory Commission has approved the pipeline, pointing to eminent domain. Related: Trump approves new pipeline that will go “right under” the US-Mexico wall The nuns are working against the pipeline, which they say goes against their land ethic, with the group Lancaster Against Pipelines . Protester Ann Neumann told CNN, “They see the pipeline as a violation of their faith,” saying 20 members of the order reside on the land. In a visible symbol of protest, the nuns allowed Lancaster Against Pipelines to construct this outdoor chapel, intended for people of all faith backgrounds. The nuns hope the chapel will draw people to come and pray at the location. They said in a statement they know the pipeline company might call for the chapel’s removal, but “believe that having this structure on their land, for however long, gives tangible witness to the sacredness of Earth.” The chapel was dedicated over the weekend, and according to Lancaster Online, around 300 people showed up for the ceremony. A Williams Partners spokesperson referred to the chapel as a “blatant attempt to impede pipeline construction.” Via CNN , Adorers of the Blood of Christ , and Lancaster Online Images via NoPipelinesLancaster on Twitter and Adorers of the Blood of Christ

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Nuns build open-air chapel to protest natural gas pipeline on their land

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