Medical research

Retinoic acid gradient visualized for the first time in an embryo

In a ground-breaking study, researchers from the RIKEN Brain Science Institute in Japan report a new technique that allows them to visualize the distribution of retinoic acid in a live zebrafish embryo, in real-time. This ...

Oncology & Cancer

New cancer diagnostic technique debuts

Cancer cells break down sugars and produce the metabolic acid lactate at a much higher rate than normal cells. This phenomenon provides a telltale sign that cancer is present, via diagnostics such as PET scans, and possibly ...

Medical research

How the immune system fights back against anthrax infections

Scientists at the University of California, San Diego School of Medicine and Skaggs School of Pharmacy and Pharmaceutical Sciences have uncovered how the body's immune system launches its survival response to the notorious ...

Oncology & Cancer

Protein snapshots reveal clues to breast cancer outcomes

Measuring the transfer of tiny amounts of energy from one protein to another on breast cancer cells has given scientists a detailed view of molecular interactions that could help predict how breast cancer patients will respond ...

Oncology & Cancer

New lab test could identify imatinib resistance

Scientists in Japan may have developed a way to accurately predict those patients who will resist treatment with imatinib, which is the standard of care for chronic myeloid leukemia (CML).

Medical research

Think zinc: Molecular sensor could reveal zinc's role in diseases

Scientists have developed a new molecular sensor that can reveal the amount of zinc in cells, which could tell us more about a number of diseases, including type 2 diabetes. The research, published today in Nature Methods, ...

page 1 from 2

Energy transformation

In physics, the term [energy] describes the amount of work which may potentially be done by forces within a system. Changes in energy in systems can only be accomplished by adding or subtracting energy from them, as energy is a quantity which is conserved. (Loosely, changes in the energy of systems also coincide with changes in the system's mass).

Energy in a system may be transformed so that it resides in a different state. Energy in many states may be used to do many varieties of physical work. Energy may be used in natural processes or machines, or else to provide some service to society (such as heat, light, or motion). For example, an internal combustion engine converts the potential chemical energy in gasoline and oxygen into heat, which is then transformed into the propulsive energy (kinetic energy that moves a vehicle. A solar cell converts solar radiation into electrical energy that can then be used to light a bulb or power a computer.

The generic name for a device which converts energy from one form to another is transducer.

This text uses material from Wikipedia, licensed under CC BY-SA