VOA慢速英语2010年-EXPLORATIONS - The Story of Radio

STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. Today we tell about the history of radio and the latest technology. (MUSIC) SHIRLEY GRIFFITH: Our story begins in Britain in eighteen seventy-three. A scientist named James Max

A New Device is

Broadcast: Jan 15, 2003 By Jerilyn Watson This is the VOA Special English Health Report. Many millions of people around the world suffer from problems of the small intestine. Bleeding from abnormal gr

VOA标准英语2015--新工具提高建筑物的能源效率

New Tool Maps Buildings' Energy Efficiency 新工具提高建筑物的能源效率 Architects, engineers and building managers will soon be able to quickly collect data about building interiors that once took weeks to measure and process. A backpack-

New Device Detects Pilot Blackouts

New Device Detects Pilot Blackouts WASHINGTON During certain maneuvers, jet fighter pilots sometimes experience loss of vision and even loss of consciousness. Although short, these so-called blackouts can have tragic consequences. An Israeli company

TED演讲：气味背后的科学(8)

OK, great, we smell vibrations. How? All right? 好吧，我们闻到的是震动。怎么闻到呢？ Now when people ask this kind of question, they neglect something, which is that physicists are really clever, unlike biologists. 当人们问这个问

科学美国人60秒 SSS 2014-08-20

Do you like working up a sweat? Or do you feel like maybe sweat should work for you? Well, hold on to your sudoriferous glands. Because researchers have designed a device that could someday produce power from your perspiration. The schvitzy scheme wa

VOA慢速英语2018--July 23, 2003: History of Radio

(THEME) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Faith Lapidus with the VOA Special English program EXPLORATIONS. You are listening to our program today on a radio. Almost no communication would exist in the world without the electromag

SSS 2008-02-08

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Last month the journal Science reported that a Swedish company was planning on using the body heat generated by commuters in a Stockholm train station to

英语杂谈：46 Light therapy device fights acne

Scientists know all about the therapeutics qualities of blue and red light. But until know, sufferers of acne have to go to hospital to benefit from it. But Lumie, the manufactures of this new LED device hope it would see light therapy moving to the

VOA慢速英语2015 新型可穿戴附加设备有效减轻腿部肌肉的负荷

Motor-Free Device Reduces Stress from Walking 新型可穿戴附加设备有效减轻腿部肌肉的负荷 Devices that help people walk were once thought to be difficult, if not impossible, to design. Until recently, such a device required electrici

VOA慢速英语2016 智利学生研发植物充电设备--花草也可做电源

Plant Your Mobile Charger in the Dirt 智利学生研发植物充电设备--花草也可做电源 Three university students in Santiago, Chile have developed a plant-powered device to charge their mobile phones. 在智利首都圣地亚哥, 3名智利大

VOA标准英语2011--Senegal Accuses Iran of Supplying Weapon

Senegal has severed diplomatic relations with Iran, accusing it of supplying weapons to separatist rebels in the southern Casamance region where three Senegalese soldiers were killed in attacks over the weekend. The two countries' previously strong d

VOA标准英语2013--Device Keeps Internet On When Power Goes Off

Device Keeps Internet On When Power Goes Off Erik Hersman and his team in Nairobi have created what they say is the first router made especially for Africa. It's battery powered and rugged. And it's gaining attention in Europe and the United States.

智利学生研发另类充电设备 小小植物也能轻松为手机充电

智利学生研发另类充电设备 小小植物也能轻松为手机充电 Three Chilean students got the idea for a plant-powered device to charge their cellphones, while sitting in their school's outdoor courtyard during a break from exams, with

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VOA常速英语2015--科学家发明无动力助行走设备

Scientists Develop Motor-free Device That Eases Walking Strain 科学家发明无动力助行走设备 Devices that help people walk were once thought to be impossible to design without some kind of auxiliary power. But U.S. scientists at Carnegie Me

印度研发35美元最便宜"笔记本"

印度政府日前推出了一款世界上最便宜的笔记本电脑，售价仅为35美元。据印度人力资源开发部长介绍，这款低成本的触摸屏电脑的主要针对用户为学生，计算机的主板、芯片、处理器、内存和

VOA标准英语10月-NATO Rules Out Supplying Weapons For Georgia

United States Defense Secretary Robert Gates says it appears Russian troops are withdrawing from key positions in the former Soviet republic of Georgia, nearly two months after a brief war ended between Russian and Georgian troops. He made the comme

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During her speech, Pritzker explains the central message of her visit to China and the U.S. side's approach to environmental protection. The central message of our visit is with responsible partnership we will do more business together and in doing s

手机充电新姿势 划屏幕就能给手机充电

The movement of finger swipes may soon be able to charge our cellphones. 手指滑动的动作可能很快就可以为我们的手机充电了。 Researchers at Michigan State University have created a new way to harvest energy from human motion, usi