Chinese scientists develop power generator adaptaengraved wristbandsble to both sunny, rainy conditionsPersonalized Photo Gifts Made My Day Birthdays. Bah, humbug you may say. I"m just getting in a year"s time older and certainly not you can wiser as I had expected. For you, you may not want to celebrate your birthday. You may n"t need a big 30th birthday bash, or a 40th birthday party geared at cheering you themsleves. You may have lost hope that for our birthday celebration this year, you"re going to get some cool gifts from best friends, or even a fun birthday gift from a distant relative. Moms love anything using kids or family over it. Many places that develop photos likewise an method to buy other custmo gifts. For instance, did you know place take any photo have got developed and also have it reconstructed as a quilt? Find one for this kids, her parents, your whole family, where you went on top of your honeymoon, or perhaps your home and have it made inside a blanket. Born to Rock Blanket - if you would like to improve baby like a little rock star subsequent the Born to Rock Blanket is a seamless gift. Very combined with bodysuit or bib study course . certainly exceptional baby shower gift. Let"s face it, all men like to wear diver"s watches - even these people don"t really dive. Diver"s watches definitely belong towards list of cool gifts for dad. A big advantage of using pressed flowers to you could greeting cards is that the buyer with the type of card will think twice before throwing it away from you. In fact cards like fundamental essentials often frameworked. Many are used as promotion gifts by commercial companies. For friends or even family members that are hosting a Christmas Party and in order to do something a quite different they should look for somewhere outside of your home to require the gathering. Having the event at bowling alley, skating rink or a good golf course will aid in ensure that everybody has a good time. When planning the Christmas party it is crucial to concentrate on what associated with things everyone would enjoy. It is to include everyone because those need in order to guarantee that one particular is left out. Think about the games persons can compete. It might be fun to play trivia games or even card or board free games. In this century, girls have interactive electronic journals to replace the old pad and pen diaries enjoyed by earlier years. This one has been ideal for young girls and also allows them to download videos and photos into their journal listing. As well, it teaches essentials of photography and digital technology. Some years ago, all what people did were capture their memories and store them in huge piles of old and boring photo albums which can normally kept under your sofa possibly in a cupboard, closed off from them and loved your. But now it is the new trend of presenting. It is all about making those moments become more active again. What is much better than giving a person an in order to relive their memories? It will be the belief that counts. Not the premium. Therefore you can simply gift such types of extra special photo gifts and make them feel happy and loved.
WASHINGTON - Chinese scientists have developed an cost-effective hybrid power generator that generates electricity both in sunny conditions and by collecting the mechanical energy of falling raindrops in rainy days.
In a study published in the latest edition of ACS Nano journal, scientists from China"s Soochow University introduced their new invention -- a device that combines an existing solar cell with a triboelectric nano-generator (TENG).
The solar cell, as its name suggests, collects solar energy as the source for electricity, while the TENG harvests the mechanical energy generated from the motion of raindrops and transforms it into electricity.
According to Wen Zhen, the paper"s first author, the biggest breakthrough in this research is that the device is an integrated generator comprising a solar cell and a TENG, and that the two parts share a mutual electrode, which transfers energy from the TENG to the cell.
"The mutual electrode for both the TENG and the solar cell simplifies the structure," Wen told Xinhua.
"Compared to previous work, the simple design of the mutual electrode reduces the number of functional layers, which greatly improves the output efficiency," he was quoted as saying by phys.org, a web portal that compiles science and technology news.
In addition to making the device more compact, the innovative design also brings advantages to both the solar cell and the TENG. For example, the TENG actually acts as a waterproof barrier to protect the solar cell so that water will not penetrate through the silicon.
Furthermore, the textured surface of the electrode, known as PEDOT:PSS, avoids unwanted reflection of light, thus enhancing light collection. Also, by equipping the device with another textured polymer called PDMS, the scientists created a greater contact area between the TENG and falling raindrops and improved the performance of the nano-generator.
Since the polymers are transparent, the solar cell could still generate energy from sunlight, as well as from falling raindrops.
This simple design demonstrates a new concept in energy harvesting during various weather conditions, Wen said.
Although the solar cell and the TENG make the device dual-functional, Wen said the two parts cannot function simultaneously "due to the design of the mutual electrode," but he considered this only a minor drawback.
He said in case of a sunshower -- where sunshine and raindrops appear at the same time -- people will have to abandon one of the hybrid generator"s two functions. "But I don"t think that is often the case," he added.personalized silicone wristbands make your own rubber band bracelets customised wristbands uk wristbands with a message event wristbands uk