Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Energy to Drive Translocation01:37

Energy to Drive Translocation

Mitochondrial protein import is powered by two distinct energy sources: ATP hydrolysis and electrochemical potential across the inner membrane. Newly synthesized precursors are bound by cytosolic chaperones of the Hsp70 family, which guide them to the import receptors on the mitochondrial surface. Utilizing the energy of ATP hydrolysis, Hsp70 chaperones transfer these precursors to the TOM receptors on the mitochondrial outer membrane.
Generally, polypeptides are unfolded by two distinct...
Energy00:58

Energy

The universe is composed of matter in different forms, and all forms of matter contain energy.  The different forms of energy on Earth originate from the Sun—the ultimate energy source. For instance, plants capture light energy from the Sun, and through the process of photosynthesis, convert it into chemical energy. This stored energy from plants can be harnessed in many ways. For example, eating plant products as food provides energy for our body to function, and burning wood or coal...
Electrical Energy01:10

Electrical Energy

Using electric appliances for a longer period of time consumes more electrical energy and results in a higher electric bill. The energy produced by the transfer of electrons from one point to another is known as electrical energy. If power is delivered at a constant rate, the electrical energy can be defined as the product of power used by the device for a period of time. The energy unit on electric bills is the kilowatt-hour, where one kilowatt-hour is equivalent to 3.6 × 106 joules. The...
Power and Energy01:12

Power and Energy

The power and energy delivered to an element are subjects of great significance in the field of electrical engineering. It is a well-known fact that a 100-watt light bulb emits more light than a 60-watt one. Therefore, power and energy calculations play a crucial role in the analysis of electrical circuits.
Power, defined as the time rate of expending or absorbing energy, is quantified in units called watts (W). The relation between power and energy is mathematically given as
Energy and Power Signals01:17

Energy and Power Signals

In an electrical system with a resistor, voltage and current signals facilitate the measurement of power and energy across the resistor. For a continuous-time signal, the total energy over a time interval is defined as the integral of the square of the signal's magnitude over that interval. Mathematically, this is expressed as:
Biofuels01:25

Biofuels

The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Energy for the new millennium.

Ambio·2002
Same author

Energy needs in developing countries and sustainability.

Science (New York, N.Y.)·1995
Same author

Energy balance for ethyl alcohol production from crops.

Science (New York, N.Y.)·1978
Same author

Brazil: energy options and current outlook.

Science (New York, N.Y.)·1978
Same author

[Muscular tumor of the duodenum (leiomyoma and leiomyomasarcoma)].

Revista paulista de medicina·1969

Related Experiment Video

Updated: Jul 12, 2026

Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production
07:34

Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production

Published on: June 15, 2014

Energy problems in latin america.

J Goldemberg

    Science (New York, N.Y.)
    |March 30, 1984
    PubMed
    Summary

    Latin America

    Area of Science:

    • Energy economics
    • Latin American studies

    Background:

    • Discusses current energy consumption patterns and conventional energy reserves (oil, gas, coal, hydroelectricity).
    • Examines the impact of the oil crisis on Latin American oil-importing nations.

    Purpose of the Study:

    • To explore new approaches for energy use in Latin America.
    • To present investment needs for conventional energy production up to 1990.

    Main Methods:

    • Analysis of energy consumption patterns and reserves.
    • Evaluation of the oil crisis impact.
    • Assessment of new energy strategies including efficiency, fuel substitution, and nonconventional sources.
    • Review of Brazil's alcohol program and hydroelectricity potential.

    More Related Videos

    Reducing Willow Wood Fuel Emission by Low Temperature Microwave Assisted Hydrothermal Carbonization
    09:46

    Reducing Willow Wood Fuel Emission by Low Temperature Microwave Assisted Hydrothermal Carbonization

    Published on: May 19, 2019

    Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts
    10:15

    Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts

    Published on: November 7, 2025

    Related Experiment Videos

    Last Updated: Jul 12, 2026

    Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production
    07:34

    Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production

    Published on: June 15, 2014

    Reducing Willow Wood Fuel Emission by Low Temperature Microwave Assisted Hydrothermal Carbonization
    09:46

    Reducing Willow Wood Fuel Emission by Low Temperature Microwave Assisted Hydrothermal Carbonization

    Published on: May 19, 2019

    Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts
    10:15

    Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts

    Published on: November 7, 2025

    Main Results:

    • Highlights the importance of end-use efficiency, fuel substitutions, and nonconventional energy sources.
    • Identifies Brazil's alcohol program and increased hydroelectricity as key opportunities.
    • Projects investment requirements for conventional energy production through 1990.

    Conclusions:

    • Emphasizes the need for diversified energy strategies beyond conventional sources.
    • Suggests that technological and policy innovations are crucial for energy security in Latin America.