Human Health Chest pain, congestion, throat inflammation, cardiovascular disease, respiratory disease are some of the diseases that can be caused by air pollution. Water pollution occurs due to contamination of water and may pose skin related problems including skin irritations … Continue reading →

In a new study, which its authors say is the first to investigate links between road traffic noise and stroke risk, researchers found that for every 10 decibel increase in noise, the risk of having a stroke increased 14% overall … Continue reading →

110 decibels. Car horn: 110 decibels. How many dB is a train horn? At 130 to 150 decibels (average), that’s when train horns for trucks come into play. A train horn is basically a very powerful air horn that is … Continue reading →

Noise pollution is defined as unwanted sounds that disrupt normal sound in the environment. Noise pollution often emanates from railroads, road traffic, aircraft, loud music, construction sites, and industrial activities.Sensitivity to different sound frequencies is measured using the A-weighted decibel … Continue reading →

Scientist from the Northwestern University have found that creative people can’t cope with noise. That is, technically speaking, they have a reduced ability to filter extraneous external sensory information.Leaky sensory gating, or the inability to filter out irrelevant information is … Continue reading →

Too much light pollution has consequences: it washes out starlight in the night sky, interferes with astronomical research, disrupts ecosystems, has adverse health effects and wastes energy. What are the negative effects of light pollution? MapMaker: Light Pollution Light pollution, … Continue reading →

Exposure to Artificial Light at Night Can Harm Your Health Research suggests that artificial light at night can negatively affect human health, increasing risks for obesity, depression, sleep disorders, diabetes, breast cancer and more. Is artificial light healthy? Visible and … Continue reading →

You can also control the Nest Learning Thermostat and Nest Thermostat E with the Home app after you migrate your Nest Account to a Google Account.The Nest app also offers full control and settings for the Nest Learning Thermostat and … Continue reading →

The Local Government Pension Scheme (LGPS) changed from a final salary scheme to a career average scheme on 1 April 2014.However, if you joined the scheme before 1 April 2014 you will also have built up benefits in the final … Continue reading →

Find your audio recordings Go to your Google Account. At the left, click Data & privacy. Under “History settings,” click Web & App Activity Manage activity. On this page, you can: View a list of your past activity. Items with … Continue reading →

Auditorium Dimensions & Layout Dimensions can get tricky, but a good rule of thumb is arranging the size of the auditorium around the type of performance and the number of audience members you plan to seat: 200 seats: 270m? | … Continue reading →

Good acoustics means that the voice can easily reach the listening ears, as the sound waves are direct and only pass the ears once; like they do in an outside environment. If you cannot go outside to teach, you can … Continue reading →

Reflection of sound waves off of surfaces can lead to one of two phenomena – an echo or a reverberation. A reverberation often occurs in a small room with height, width, and length dimensions of approximately 17 meters or less. … Continue reading →

Stethoscope :Stethoscope is a medical diagnostic instrument based on multiple reflection of sound waves. This is used by doctors for listening to the sounds produced inside the body, particularly in the heart or lungs. What are the application of multiple … Continue reading →

Air pollution is a mixture of solid particles and gases in the air. Car emissions, chemicals from factories, dust, pollen and mold spores may be suspended as particles. Ozone, a gas, is a major part of air pollution in cities. … Continue reading →