Yes, a 'Doppler Brake' based on a bat's sense can be developed to prevent train collision and similar accidents. Each coach of a train along with the engine can emit sound waves which may be inaudible to human beings in the range below 20Hz or above 20,000 Hz to be sensed by the other trains quite far away to slow down and stop without colliding or to do the needful. It would need a significant amount of research to ascertain the frequency and to filter unnecessary echoes.
P.S. - Bat in Hindi is known as 'Chamgadar' which does echolocation to find its prey and its path to fly. Train drivers are human beings who cannot have bat's sense, therefore there is a need to develop a machine..
An average of over 150,000 accidents are prevented each day.
A balise is a beacon that is used on a train control system. This balise acts as a transponder between rails. This is primarily used for safety rationale to make sure that train accidents are prevented.
All of them.
Accidents that involve a train or railroad.
Train accidents are not as common as they used to be, thankfully. It is importnat to learn about train safety and to always stay off of train tracks, they are not a place to play.
Over a thousand train accidents occur per year in Canada. In 2009 alone, there were 1038 accidents. Almost 50% of these were non-main-track train derailments. Almost 18% were crossing accidents, and these crossing accidents resulted in 19 fatalities.
Cerebral vascular accidents also known as stroke cannot be prevented in most cases, as they cannot be predicted. For patients with high blood pressure, medications can help prevent strokes.
"You have to take a Influenza shot to prevent the flu."
In 2012 the USA was the country that had the most train accidents in that year. The train accident with the highest death toll was in Sri Lanka in 2004, where over 1700 people lost their lives.
According to the US DOT, about 1000 deaths occur each year from train crashes. Of those, some 600 are due to train/automobile accidents.
Accidents can be prevented in sewing by knowing what you are doing, being familiar with your tools, and paying attention to what you are doing. Although many sharp tools are used in sewing, there is no reason that accidents cannot be avoided.
For nine years, the average deaths stemming from train accidents were were 6,444 a year and the average injuries were 33,000. However, in 2010 the number decreased 384.