The NOAA (National Oceanic and Atmospheric Administration) National Weather Service is responsible for monitoring the weather throughout the country. They track weather and climate trends as well as current conditions. There are a series of NOAA weather radars that help them do their job.
NOAA weather radars use NEXRAD or Next Generation Radar to gather […]

The National Weather Service is responsible for keeping track of the weather patterns, trends and current conditions in the United States. To do so, there is a large network of National Weather Service radars that help gather this information. From the radar images, data is interpreted and updated constantly to keep all information current.
Experts […]

The National Weather Service has a series of local weather radars that help predict the weather. Radar is a device that sends a signal out to a “target.” In the case of weather radar, the target is a patch of precipitation. The signal is then returned and collected by antenna. Once the data is […]

Stethoscopes are one of the most commonly used tools in the medical profession. Nearly every doctor, nurse, paramedic, and veterinarian uses a stethoscope throughout the course of a normal workday. Some doctors or hospitals choose to purchase their stethoscopes from discount sources. Shoppers can find nearly any type of stethoscope at discount prices. There […]

While stethoscopes are used in a variety of situations, they are most commonly used to monitor patient’s hearts. Doctors use cardiology stethoscopes to listen for a variety of irregular sounds that could signal heart problems. Some problems detected by cardiology stethoscopes are irregular heartbeats and heart murmurs.
There are a number of different types of […]

One problem with standard acoustic stethoscopes is that they merely transmit sounds but do not amplify them. Doctors in busy, noisy hospitals and paramedics in moving vehicles often have trouble getting accurate readings from these stethoscopes. Electric stethoscopes are a new invention that amplifies internal body sounds allowing doctors to better hear and diagnose […]

Many doctors like to personalize their stethoscope by putting a cover over the tube. Stethoscope covers come in many different colors and shapes. Many pediatricians use stethoscope covers shaped like animals. Other doctors like denim or cotton stethoscope covers. Stethoscope covers serve a number of purposes. For one thing, they can protect the fragile […]

Dr. David Littman, a famous cardiologist, inventor, and Harvard Medical School professor, greatly improved the acoustic qualities of stethoscopes in 1963. He believed it was vital to have a stethoscope with two chestpieces, an open one used to hear low pitch sounds and a closed, flat chestpiece to pick up higher pitched sounds. His […]

Stethoscopes are simple yet effective tools that allow doctors to listen to the internal sounds in a patient’s body. Doctors can use stethoscopes to listen to a patient’s heart, intestines, breathing, and blood flow.
A French doctor named Rene-Theophile-Hyacinthe Laennec invented the first stethoscope in 1816. Dr. Laennec used a hollow wooden tube to listen […]

Home solar panels are devices consisting of photovoltaic (PV) cells or modules that convert sunlight directly into electricity and these can power home and consumer products.
PV modules are clusters of PV cells, electrically connected and made into one frame. Initially, PV panels were used in space applications, but in course of time, these came […]