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In Deep Freeze, How One Farmer Keeps Cows Warm And The Milk Flowing

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In Deep Freeze, How One Farmer Keeps Cows Warm And The Milk Flowing

"Sweet says they don't worry about cold weather until it stays below zero during the day. "If it drops to 15 below and then warms up during the day above zero, you're ok. If it stays below zero it gets harder. The water tanks and everything get more ice build up and it's a little harder keeping the water running in the colder parts of the barns."

"I read somewhere that each cow generates 2,350 BTUs. We have 255 of them in here keeping this barn warm," Sweet said. "It's hard to believe a barn this size there's no heat in this beside the cows." Sure enough, some sources say cows give off 4,500 BTUs per hour. The barn does have insulation in the ceiling and end walls, and the side curtains have an R-value of 2. They leave the equipment they use daily in the barn so it doesn't freeze up."

Engineers make wearable sensors for plants, enabling measurements of water use in crops

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Engineers make wearable sensors for plants, enabling measurements of water use in crops

"The tool making these water measurements possible is a tiny graphene sensor that can be taped to plants – researchers have dubbed it a “plant tattoo sensor.” Graphene is a wonder material. It’s a carbon honeycomb just an atom thick, it’s great at conducting electricity and heat, and it’s strong and stable. The graphene-on-tape technology in this study has also been used to produce wearable strain and pressure sensors, including sensors built into a “smart glove” that measures hand movements."

What Chicken Labels Mean

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Chicken Labeling Terms: What Chicken Labels Mean

"When you shop for chicken at the market, there are lots of different chicken labeling terms to consider. Whether organic, cage-free or no added hormones, it’s easy to be confused about what all the labels on chicken in the store actually mean. To help make sense of these chicken labeling terms, this infographic explains some of the most common labeling terms on chicken packaging so you can feel more informed the next time you buy chicken for your family."

Round barn

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Round barn

"A round barn is a historic barn design that could be octagonal, polygonal, or circular in plan. Though round barns were not as popular as some other barn designs, their unique shape makes them noticeable. The years from 1880–1920 represent the height of round barn construction. Round barn construction in the United States can be divided into two overlapping eras. The first, the octagonal era, spanned from 1850–1900. The second, the true circular era, spanned from 1889–1936. The overlap meant that round barns of both types, polygonal and circular, were built during the latter part of the nineteenth century. Numerous round barns in the United States are listed on the National Register of Historic Places."