VOA常速英语2008年-US Government Reviews Laser Eye Surgery

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

VOA慢速英语2013 EXPLORATIONS - The History of the Laser

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

VOA常速英语2014--New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力

New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl

美国科学60秒 SSS 2015-01-06

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

Watch the US Navy’s New Laser Weapon in Action

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

2005年NPR美国国家公共电台九月-Laser Work Earns Trio Nobel Prize for Phy

This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke

VOA慢速英语2013 Laser Technology Uncovers Secrets at Stonehenge

Laser Technology Uncovers Secrets at Stonehenge From VOA Learning English, this is EXPLORATIONS in Special English. I'm Christopher Cruise. And I'm Kelly Jean Kelly. Today, we report on new knowledge about Stonehenge, the famous, ancient stone circle

VOA标准英语2013--The History of the Laser

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

VOA慢速英语2013 EXPLORATIONS - Laser Technology Uncovers Secrets at Stonehenge

EXPLORATIONS - Laser Technology Uncovers Secrets at Stonehenge From VOA Learning English, this is EXPLORATIONS in Special English. I'm Christopher Cruise. And I'm Kelly Jean Kelly. Today, we report on new knowledge about Stonehenge, the famous, ancie

VOA慢速英语2012--The Laser: Futuristic Science Found at Your Local Store

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

VOA慢速英语2010年-EXPLORATIONS - After 50 Years, Lasers

STEVE EMBER: Im Steve Ember. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. This week, we tell about one of the most recognizable objects in science fiction the laser. And we tell how the laser has made its mark in the

美国大学图书馆走进数字时代

AS IT IS 2016-08-26 US College Libraries in a Digital Age 美国大学图书馆走进数字时代 Many U-S colleges and universities are making big changes to their libraries. The schools are finding ways to serve students and to succeed in an increa

有史以来第一次:科学家使用激光冷却液体

Lasers Used to Chill, Instead of Heat 有史以来第一次:科学家使用激光冷却液体 University of Washington researchers say they used a laser to turn hot water into cool water. Five engineers from the university are the first in the 50-yea

Navigation, 3-D Printing in Sensing Technology Lead to New Apps

Navigation, 3-D Printing in Sensing Technology Lead to New Apps LOS ANGELES 3-D printing, high-speed navigation and a magic mirror are some of the technologies that have come from new computer chips with advanced spatial sensing. Technology startups

VOA标准英语2014--Vehicles May Soon Be Talking to Each Other 汽车或许很快就能相互交流

Vehicles May Soon Be Talking to Each Other 汽车或许很快就能相互交流 WASHINGTON U.S. regulators are close to approving new standards for enabling vehicles to communicate with each other, hoping the new technology will reduce traffic accide

Tracking Outer Space Debris

Every year satellites are damaged or destroyed by objects orbiting the Earth's atmosphere. An Australian company is now using the latest laser technology to track these objects in order to reduce cosmic damage. Li Dong has the details. Even in space,

2018年CRI Partnership and ecosystem essential to usher in 5G era

With the 5G era just around the corner in China, leading mobile and tech officials in China are suggesting more partnership are going to be needed to help the new technology grow and develop. 5G technology is one of the issues that has generated inte

【英语语言学习】镭射器的历史

Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the science of the future to eve

VOA常速英语2007年-Scientist in Texas Runs NASA's Lunar Laser Prog

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

深入浅出的英语口语

Glossary for Telecomunications This glossary helps explain some of the acronyms and technical phrases Bluetooth A short-range wireless technology designed to allow connection of portable devices in a wire-free manner. For example connection of a wire