INK HOW DO WE APPLY SCIENCE CHAPTER 1 REVOLUTIONARY EARLY APPLIED SCIENCE T THE CORE OF ALL APPLIED SCIENCE IS THE scientific method which helps scientists gather S information and examine what is found The scientific method is based on asking questions and then trying to answer them with the evidence at hand There must be sufficient proof to support the answers Like other applied sciences the field of forensic science depends on the use of the scientific method In ancient times law enforcement relied on forced confessions or the words of witnesses to prove a crime had occurred This often meant that criminals went free or innocent people were punished One of the first written accounts of using forensic science to support a criminal case comes from a Chinese book in A D 1248 A Chinese investigator hypothesized the weapon used Today's police officers use a to murder the victim was a sickle variety of tools and tech to investigate crime scenes and proposed to prove it by testing
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REVOLUTIONARY EARLY APPLIED SCIENCE From the first stone wheel below to DNA fingerprint ing opposite applied sci ence has seen much progress different weapons on an animal carcass He then had everyone from the village meet him with their sickles The investigator observed that flies had gathered on one particular blade because it had remnants of blood on it Realizing he had been caught the murderer confessed We've come a long way since then in all the applied sciences including forensic science largely thanks to technology Forensic scientists today can do computerized facial reconstructions to help determine the identity of a skeleton for instance And DNA fin gerprinting reveals whether DNA found at the scene of a crime is from a certain person Whether science is used to make sure justice is served or to engineer a car that can fly applied scientists over the course of human history have made many revolutionary inventions that have improved our lives going all the way back to the invention of the wheel The concept of using round wheels to move people and objects was first applied around 3500 B C Before that time transportation options were limited A desire to get from place to place with greater speed coupled with the need to carry goods and trade with others led to the invention of the wheel Such a will and sense of purpose is always behind innovation A similar scenario played out with the invention of paper Paper was invented by the Chinese around the 2nd century B C and was first used for wrapping and protecting objects Paper used for writing came later and was made from a combination of materials such as mulberry bark and hemp Pounding the plant fibers and let ting the water drain out created a lightweight writing surface Paper is why we know a lot about and have proof of what happened in early times For instance early writings on paper helped us learn about the invention of the
