'Thermoelectrics' Could One Day Power Cars

sciencehabit writes: "Fossil fuels power modern society by generating heat, but much of that heat is wasted. Researchers have tried to reclaim some of it with semiconductor devices called thermoelectrics, which convert the heat into power.

相关内容: could they efficient

How a Moth's Eye Could Help Improve the Efficiency of Solar Cells

Inspiration lies in the strangest of places—and for researchers at the Agency for Science, Technology & Research in Singapore, that includes the eye of moth. A new antireflective coating inspired by the creature's ocular faculties could help bump up the efficiency of solar cells.Read more...

Controlling Bubbles in Boiling Water Could Make Power Plants More Efficient 

The act of boiling water helps us brew coffee and cook pasta—and it’s also what fuels most of the world’s energy sources. But boiling is really all about the bubbles, and until now their formation had been seen as random and haphazard.

A New Pure Lithium Battery Could Double Your Phone's Life

Virtually all of your gadgets tote lithium ion batteries—but while they're the best you can hope for at the moment, new engineering means that pure lithium batteries are now a possibility, and they could double the life of your phone.Read more...

Apple Patents Power Efficient, Sensor-Filled Noise Cancelling Earbuds

Apple has a couple of new patent applications (via AppleInsider) for headset tech that could drastically reduce the power consumption of noise cancelling earbuds, which could also stop or start music automatically based on whether they’re in or out of your ear.

Simply Layering Solar Cells Could Make Them as Cheap as Natural Gas

It's not uncommon to focus on excotic solutions to making solar power more efficient: new materials, complex tracking systems or unusual physical phenomena. But what about just stacking them on top of each other?Read more...

'Thermoelectrics' Could One Day Power Cars

sciencehabit writes: "Fossil fuels power modern society by generating heat, but much of that heat is wasted. Researchers have tried to reclaim some of it with semiconductor devices called thermoelectrics, which convert the heat into power.

Smaller Chips Make More Mistakes—But That Could Be a Good Thing

When you shrink electronics and their transistors with them, they become more error-prone. Usually, that's compensated for by a boost in voltage—but researchers at MIT think we should embrace the mistakes instead.Read more...

Simply Putting Fins On Tires Could Improve a Vehicle's Fuel Efficiency

Slapping a giant fin on the back of your hand-me-down Corolla isn’t going to make it go any faster. But researchers at Yokohama have found that adding a series of angled fins to a tire can actually help improve a vehicle’s aerodynamics,

This Is the World's Most Efficient Black Silicon Solar Cell

Solar power is getting much, much better . Now, a team of scientists has created the world’s most efficient nanostructured black silicon solar cell—which converts an impressive 22.1 percent of incident light into electricity.Read more...

Report: Green contracts could cut data centre energy use by 40%

According to the Natural Resources Defense Council, many data centre are still hugely inefficient, operating at just 12 to 18 per cent of capacity in most cases. Read more: http://www.itproportal.com/2014/08/27/report-green-contracts-could-cut-data-centres-energy-use-by-40/

Supreme Court Gives Tacit Approval To Warrantless DNA Collection

An anonymous reader writes On Monday, the U.S. Supreme Court refused to review a case involving the conviction of a man based solely on the analysis of his "inadvertently shed" DNA.

What Would Minecraft 2 Look Like Under Microsoft?

An anonymous reader writes "Microsoft spent billions purchasing Mojang, the studio behind the game Minecraft, and while it's unlikely to start work on a sequel anytime soon, rather than continue development of the game, it's worth considering what a Minecraft 2 will look like. After all,

Why We Should Stop Hiding File-Name Extensions

An anonymous reader writes 14 years after the Anna Kournikova virus took advantage of users' ignorance about file-name extensions in order to wreak worldwide havoc,

Khronos Group Announces Vulkan To Compete Against DirectX 12

Phopojijo writes The Khronos Group has announced the Vulkan API for compute and graphics. Its goal is to compete against DirectX 12. It has some interesting features,

Inside the North Korean Data Smuggling Movement

Sparrowvsrevolution writes A new Wired magazine story goes inside the North Korean rebel movement seeking to overthrow Kim Jong-un by smuggling USB drives into the country packed with foreign television and movies. As the story describes, one group has stashed USB drives in Chinese cargo trucks.

NVIDIA Fixes Old Compiz Bug

jones_supa writes NVIDIA has fixed a long-standing issue in the Ubuntu Unity desktop by patching Compiz. When opening the window of a new application, it would go black or become transparent on NVIDIA hardware. There have been bug reports dating back to Ubuntu 12.10 times.

Hillary Clinton Used Personal Email At State Dept., Possibly Breaking Rules

HughPickens.com writes: The NY Times reports that Hillary Rodham Clinton exclusively used a personal email account to conduct government business as secretary of state, according to State Department officials.

Survey: 56 Percent of US Developers Expect To Become Millionaires

msmoriarty writes: "According to a recent survey of 1,000 U.S.-based software developers, 56 percent expect to become millionaires in their lifetime. 66 percent also said they expect to get raises in the next year, despite the current state of the economy.

Survey: 56 Percent of US Developers Expect To Become Millionaires

msmoriarty writes: "According to a recent survey of 1,000 U.S.-based software developers, 56 percent expect to become millionaires in their lifetime. 66 percent also said they expect to get raises in the next year, despite the current state of the economy.

Nokia Had a Production-Ready Web Tablet 13 Years Ago

An anonymous reader writes "Here's another story of a tech gadget that arrived before its time. Nokia created a web-ready tablet running EPOC (later to be renamed as Symbian) thirteen years ago. The tablet was set to go into full production,

迷你MVVM框架 avalonjs 组件编写指南 - 司徒正美

avalon经过半年的宣传,已经有不少公司在使用avalon应用于它们内外网应用或移动项目,比较大牌的客户有百度,搜狐,金山,边缘,去哪儿……最近成为去哪儿的前端架构师后,掌握更多资源,可以随使抓个人帮忙写文档做测试写UI,之前的种种诰病都会迅速被解决掉的。

如何评价商业地产的这三种运营模式:分割销售,租售并举,只租不售?

谢岚爷邀;严谨来说这是零售不动产的三种租售模式。这三种模式产生是因为集中式室内商业的开发。从房地产的开发投资收益来看;住宅项目收益特点是——收益平稳且风险较小。

地图服务越趋完善:苹果积极回应用户反馈

苹果在今年 4 月为其地图服务添加了推送功能,主要是允许用户提交地图缺陷报告,随后可在通知中心中获得问题已经解决的推送信息。

Android L Release Preview: Everything You Need to Know (Updating)

It's been years since Google has given its Android platform as fresh a face as this. But today we got our first look at Android's next big shakeup. It doesn't have a name yet (lollipop?) but it's here to tie things together.Read more...

免费绿色的BD系反病毒扫描器 Emsisoft Emergency Kit 9 Beta

奥地利安全厂商Emsisoft于8月10号发布了新版的Emsisoft Emergency Kit 9,此版本主要更新了GUI,并且增强了对恶意软件清除能力。Emsisoft Emergency Kit 9简介:

Texas Nurse With Ebola 'Doing Well' — and You Can Donate to Help

Nina Pham, the 26-year-old Texas nurse who became the first person to be infected with Ebola in the United States last week, is in good condition."I’m doing well and want to thank everyone for their kind wishes and prayers," she said in a statement on Tuesday.

央视曝光朋友圈代购售假案例 涉案1亿多元

据央视新闻频道报道,称有些朋友圈代购专骗朋友,发票也是假的!近日,安徽警方破获一起利用微信,销售假名牌的案件,涉案值1亿多元。嫌疑人在微信上自称“专柜代购”,其实,全是假的。造假厂还能提供发票。

2014年Q4十大B2B电商网络品牌影响力排行

2014年第四季度B2B电商网络品牌影响力现已出炉,前十名分别为:阿里巴巴、金泉网、慧聪网、敦煌网、亿邦动力、中国供应商网、马可波罗网、中国制造网、一呼百应、世界工厂网。

Voldemort's cover of 'Uptown Funk' is the ultimate Death Eater jam

Step aside, Albus. It's Saturday night, and Voldemort is taking Hogwarts — with a little help from Bruno MarsYouTube channel KFaceTV has created a Harry Potter parody of "Uptown Funk,

This Is What 170-Year-Old Champagne From a Shipwreck Tasted Like 

In 2010, divers rescued some amazingly old alcohol from a shipwreck off the coast of Finland. They’ve already published some detailed tasting notes about the beer —but now they’ve carried out an in-depth analysis of the champagne. Read more...

© 云聚网互联网资讯 我要投稿 云聚网博客 7秒MCN大数据平台