A laboratory is a facility that provides controlled conditions in which scientific or technological
research, experiments, and measurement may be performed.
Labs used for scientific research take many forms because of the differing requirements
of specialists in the various fields of science and engineering.
A physics lab might contain a particle accelerator or vacuum chamber, while a metallurgy lab
could have apparatus for casting or refining metals or for testing their strength.
A chemist or biologist might use a wet laboratory, while a psychologist's lab might be a room
with one-way mirrors and hidden cameras in which to observe behavior.
In some laboratories, such as those commonly used by computer scientists, computers are
used for either simulations or the analysis of data collected elsewhere.
Scientists in other fields will use still other types of laboratories.
Engineers use labs as well to design, build, and test technological devices.
Despite the great differences among laboratories, some features are common.
The use of workbenches or countertops at which scientists may choose to either sit or stand
is a common way to ensure comfortable working conditions.
Cabinets for the storage of laboratory equipment are also found in laboratories.
It is traditional for a scientist to record an experiment's progress in a laboratory notebook,
but modern labs almost always contain at least one computer workstation for data collection
and analysis.
Scientific laboratories can be found in schools and universities, in industry, in government
or military facilities, and even aboard ships and spacecraft.
A laboratory might offer work space for just one to more than thirty researchers depending
on its size and purpose.
Recently, a new type of laboratory called Open Laboratory has emerged.
Its format allows the sharing of space, equipment, support staff between different research groups
and also fosters information exchange through communications across fields.
There is also an open source lab, which is a lab that is made up of open source scientific
hardware.
History
Techniques Laboratory techniques are the sum of procedures
used on natural sciences such as chemistry, biology, physics in order to conduct an experiment,
all of them follow scientific method; while some of them involves the use of complex laboratory
equipment from laboratory glassware to electrical devices others require such specific or expensive
supplies.
Equipment
Laboratory equipment refers to the various tools and equipment used by scientists working
in a laboratory.
These include tools such as Bunsen burners, and microscopes as well as specialty equipment
such as operant conditioning chambers, spectrophotometers and calorimeters.
Another important type of laboratory equipment is laboratory glassware such as the beaker
or reagent bottle, or even a thermometer.
Laboratory equipment is generally used to either perform an experiment or to take measurements
and gather data.
Larger or more sophisticated equipment is generally called a scientific instrument.
Specialised types The title of laboratory is also used for certain
other facilities where the processes or equipment used are similar to those in scientific laboratories.
These notably include: film laboratory or darkroom
clandestine lab for the production of illegal drugs
computer lab crime lab used to process crime scene evidence
media lab medical lab
public health lab In recent years government and private centers
for innovation in learning, leadership and organization have adopted "lab" in their name
to emphasize the experimental and research-oriented nature of their work.
Safety
In some laboratories, the conditions are no more dangerous than in any other room.
In many labs, though, hazards are present.
Laboratory hazards are as varied as the subjects of study in laboratories, and might include
poisons; infectious agents; flammable, explosive, or radioactive materials; moving machinery;
extreme temperatures; lasers, strong magnetic fields or high voltage.
In laboratories where dangerous conditions might exist, safety precautions are important.
Rules exist to minimize the individual's risk, and safety equipment is used to protect the
lab user from injury or to assist in responding to an emergency.
The Occupational Safety and Health Administration in the United States, recognizing the unique
characteristics of the laboratory workplace, has tailored a standard for occupational exposure
to hazardous chemicals in laboratories.
This standard is often referred to as the "Laboratory Standard".
Under this standard, a laboratory is required to produce a Chemical Hygiene Plan which addresses
the specific hazards found in its location, and its approach to them.
In determining the proper Chemical Hygiene Plan for a particular business or laboratory,
it is necessary to understand the requirements of the standard, evaluation of the current
safety, health and environmental practices and assessment of the hazards.
The CHP must be reviewed annually.
Many schools and businesses employ safety, health, and environmental specialists, such
as a Chemical Hygiene Officer to develop, manage, and evaluate their CHP.
Additionally, third party review is also used to provide an objective "outside view" which
provides a fresh look at areas and problems that may be taken for granted or overlooked
due to habit.
Inspections and audits like also be conducted on a regular basis to assess hazards due to
chemical handling and storage, electrical equipment, biohazards, hazardous waste management,
chemical waste, housekeeping and emergency preparedness, radiation safety, ventilation
as well as respiratory testing and indoor air quality.
An important element of such audits is the review of regulatory compliance and the training
of individuals who have access to and/or work in the laboratory.
Training is critical to the ongoing safe operation of the laboratory facility.
Educators, staff and management must be engaged in working to reduce the likelihood of accidents,
injuries and potential litigation.
Efforts are made to ensure laboratory safety videos are both relevant and engaging.
See also
References ^ Joshua M. Pearce,Open-Source Lab:How to
Build Your Own Hardware and Reduce Research Costs, Elsevier, 2014.
ISBN: 9780124104624 ^ Joshua M. Pearce, “Building Research Equipment
with Free, Open-Source Hardware.”
Science 337: 1303–1304.
^ Michael L. Matson, Jeffrey P. Fitzgerald, Shirley Lin.
"Creating Customized, Relevant, and Engaging Laboratory Safety Videos".
Journal of Chemical Education 84: 1727.
Bibcode:2007JChEd..84.1727M.
doi:10.1021/ed084p1727.
Retrieved 22 February 2013.
External links The dictionary definition of laboratory at
Wiktionary Media related to Laboratory at Wikimedia Commons
Nobel Laureates Interactive 360° Laboratories