24 little hours ... these photos highlight how our microgreens are responding to the LED lighting in our new MicroFarm ONE+ unit. The plants love the lights as you can see and are filling out rapidly...
Russian Deputy Prime Minister Arkady Dvorkovich has announced that Russia will not use genetically modified organisms (GMOs) to increase productivity in agriculture, while he was speaking on Friday at a session of the St. Petersburg International Economic Forum. Source: www.interfax.ru “Russia has chosen a different path. We will not use these technologies”, he said. As a result […]
I was an active kid growing up, so I didn’t worry much about food until I left home for college and wanted to avoid the "Freshman 15." I began experimenting with different eating habits to find the balance between being healthy and not entirely sacrificing foods I loved (chicken burritos with guacomole and Cholula sauce–I’m looking at you).
Hi Growers!In my 30 years as a commercial grower and consultant, the question I am most often asked is “So, what REALLY is the best and most profitable crop for me to grow?." I have observed with amusement (and sometimes dismay) the never-ending debates over the best crop selections for both novice and experienced growers alike.What is the ideal crop for me?My answer is always the same: “There is none!”Appropriate crop selection is one of the most critical factors in proper hydroponic busi
Fast food is hardly health food, but when you’re on the road or it’s late at night, sometimes it’s your only option. These are the menu options to look for that will fill you up without filling you out.
A new technology developed by chemists at UCLA is capable of storing solar energy for up to several weeks.
The materials in most of today’s residential rooftop solar panels can store energy from the sun for only a few microseconds at a time. A new technology developed by chemists at UCLA is capable of storing solar energy for up to several weeks — an advance that could change the way scientists think about designing solar cells.
The findings are published June 19 in the journal Science. The new design is inspired by the way that plants generate energy through photosynthesis.
“Biology does a very good job of creating energy from sunlight,” said Sarah Tolbert, a UCLA professor of chemistry and one of the senior authors of the research. “Plants do this through photosynthesis with extremely high efficiency.”
“In photosynthesis, plants that are exposed to sunlight use carefully organized nanoscale structures within their cells to rapidly separate charges — pulling electrons away from the positively charged molecule that is left behind, and keeping positive and negative charges separated,” Tolbert said. “That separation is the key to making the process so efficient.”
To capture energy from sunlight, conventional rooftop solar cells use silicon, a fairly expensive material. There is currently a big push to make lower-cost solar cells using plastics, rather than silicon, but today’s plastic solar cells are relatively inefficient, in large part because the separated positive and negative electric charges often recombine before they can become electrical energy.
“Modern plastic solar cells don’t have well-defined structures like plants do because we never knew how to make them before,” Tolbert said. “But this new system pulls charges apart and keeps them separated for days, or even weeks. Once you make the right structure, you can vastly improve the retention of energy.”
The two components that make the UCLA-developed system work are a polymer donor and a nano-scale fullerene acceptor. The polymer donor absorbs sunlight and passes electrons to the fullerene acceptor; the process generates electrical energy.
The plastic materials, called organic photovoltaics, are typically organized like a plate of cooked pasta — a disorganized mass of long, skinny polymer “spaghetti” with random fullerene “meatballs.” But this arrangement makes it difficult to get current out of the cell because the electrons sometimes hop back to the polymer spaghetti and are lost.
The UCLA technology arranges the elements more neatly — like small bundles of uncooked spaghetti with precisely placed meatballs. Some fullerene meatballs are designed to sit inside the spaghetti bundles, but others are forced to stay on the outside. The fullerenes inside the structure take electrons from the polymers and toss them to the outside fullerene, which can effectively keep the electrons away from the polymer for weeks.
SPECIAL Introductory pricing ... regularly $109.95 plus $20 shipping, Save $30 NOW as Intro Price INCLUDES FREE SHIPPINGOur New Micro Farm ONE is a complete growing solution to deliver fresh, live and nutritionally dense food from your kitchen countertop. Our farm will grow 10 crops of fresh, live and extremely nutritious micro greens/herbs right on your kitchen countertop. The units require manual watering in self contained growing trays. Each individual Micro Farm growing tray includes sustain
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