'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,

Mt.Gox在遭遇危机前曾挪用客户资金

据路透社的报道,来自知情人士的消息称,比特币交易平台Mt.

#woshiPM训练营#北京站:“茶叶蛋”之未来的魔镜

经过很长时间的准备woshipm北京站第二次组织起了Design Hackathon,让我又一次经历了神奇的产 […]

诺基亚Lumia 630英国发布 单卡版售945元

微软已在英国发布新款 Lumia 630 设备,这款 Windows Phone 8.1 设备在当地的售价为 89.95 英镑(945 元)。诺基亚 Lumia 630 的出现,无疑将对同为入门级设备的 Moto E 形成强有力的竞争。  尽管价格仅售 89.

Samsung Has Reportedly Explored Acquiring Company That Powers Siri

Siri, can you say "complicated"?Nuance Communications, a software company that develops speech recognition tools and powers Apple's Siri personal assistant, has talked with multiple companies about a possible sale, according to a report in The Wall Street Journal. One of those,

LLVM 3.5 Brings C++1y Improvements, Unified 64-bit ARM Backend

An anonymous reader writes: LLVM 3.5 along with Clang 3.5 are now available for download. LLVM 3.5 offers many compiler advancements including a unified 64-bit ARM back-end from the merging of the Apple and community AArch64 back-ends, C++1y/C++1z language additions,

New Global Plan Would Crack Down On Corporate Tax Avoidance

HughPickens.com writes:

小米雷军:15号旗舰新品发布会还有一大堆新品亮相

近日小米官方微博停不下来的节奏,不断的吊起米粉的胃口,再次放出新品发布会宣传海报:不同凡!初次一看觉得很奇怪,仔细一想就是“不同凡响”了。

When super-soaps collide: Neighbours recreates Eastenders

LONDON — Welcome to East Erinsborough, half Eastenders, half Neighbours.Cast members from Australia's long-running soap made the short sketch for the much loved British soap,

用可刚可柔的人工合成丝来一次服装革命!

如果初创公司 Bolt Threads 所采用的方式没有什么差错的话,我们在未来所穿的衣服将可以用类似于蜘蛛侠从手腕射出的网丝的合成纤维制成。你觉得,这样的方式会给可穿戴技术带来怎样的影响呢?  

随着屏幕 PPI 增大,长文阅读时宋体/明体字会比黑体字更适合吗?

纸媒显示和屏幕显示是有明显差异的。科学认识这种差异是开发屏显字体的基础。屏幕显示毕竟有它的显著的特殊性:有限的像素、固定的栅格、自发光的光晕现象、线条交叉处的锐度模糊、强反差下的视觉刺激等等。

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