Electric potential

The sodium-potassium pumps is a plasma membrane transport protein and serve to push an ion into a cell against its concentration gradient. This type of action is known as active transport because it needs the energy to be able to move the ions against their concentration gradient. Generally, the solutes being pushed in or out of a cell will go from a low concentration gradient to a high concentration gradient. The sodium-potassium pump is crucial to kidney function, nerve signaling, and heart…

I. Introduction Action potentials are generated as a result of a neuron’s membrane reaching a specific threshold. In order to reach this threshold, a cell must depolarize. Typically, cells depolarize with the opening of voltage-gated sodium channels. During the rising phase of the action potential, these channels allow positive sodium ions to flow into the cell in what is called the depolarization phase. The flow of these ions into the cell is often referred to as the sodium current. Once the…

Negative Energy Alec Li, Sydney Osugi Period 2, AP Physics  The term positive energy encompasses light, matter and antimatter. While positive energy is created through the collision of electrons and their positron counterparts, collisions with negative energy and matter result in nothing. Negative energy is the concept that there is a region of space that is able to “contain less than nothing … can be less than zero”(`Negative Energy'' Solutions: Hole Theory). The law of the conservation…

Hyatt Joins Forces with Bloom Energy, Emphasizing Strong Commitment to Sustainability and Innovation • Hyatt Hotels Corporation announced its new relationship with Bloom Energy • Hyatt Regency Greenwich will receive company’s first 500 kW fuel cell • Fuel cell will provide up to 75 percent of hotel’s energy load, generating significant cost savings • Hotel will reduce its carbon emissions by 40 percent by generating its own electricity on-site • Hyatt’s investment in fuel cell technology…

Tesla Motor is quickly becoming a very well known name in the Automotive Industry. Having launched in 2003 under the leadership of successful entreperneur, Elon Musk, it has quickly established itself in the electric-automotive industry having released three relatively successful car models thus far. It's car portfolio has strategically segmented the market as each car appeals to a different target market. They originally released the Tesla Roadster which is a sports car capable of high…

a new primary fuel source becomes increasingly important. Fossil fuels, coincidentally named, are an aging method of a power source. Many believe electric cars are the future, this however is not the solution. Electric cars are making progress admitting, however they are still lacking practicality as well as affordability. Despite the fact electric cars produce zero emissions, they are not a suitable replacement for internal combustion engines for the sheer fact that electricity still…

Factors Influencing the Growth of Electric Car 1. Cost Factors: - a. Batteries and Fuel: The cost of the Plug-in Electric vehicle is comparatively higher than that of the conventional vehicles. The main reason for high cost is the cost of its batteries. There is uncertainty in the resale value of plug-in electric vehicle because of its battery deterioration. However, the operational cost of plug in vehicle is much lower than its counterparts. The cost of charging electric vehicles is…

The Origins of Electric Guitar By: Pierce Bradley The electric guitar, an invention that’s not even a century old yet that has an intrinsic role in the history of music, especially the last 40 to 50 years having turned the guitar into an iconic figurehead and institution for musicians old and new. An though the electric guitar is less than a hundred years old it has ancestry in older, classical acoustic instruments built as early as 1779. The first electric guitar was dated in 1931. It’s a…

Electric cars has been a very interesting development of these past few decades, because of its impact on the technology, business and environmental aspects of our society. Traditionally, we have always been using gasoline to power our cars, but then the development of electric cars and hybrid cars allows us to power cars with not only gasoline, but also electricity. Electric car went from a period of time when they were only considered as an add on to the traditional gasoline cars because they…

Guide to Buying Mobility Scooters A mobility scooter helps to extend the autonomy and independence of people with physical limitations in their day to day. This device has wheels driven with an electric motor and a comfortable seat both attached to an elegant chassis. All this makes it easy for people with reduced mobility to move from place to place. Mobility scooters incorporate a number of features so they can be adapted to different user needs. While the variety of options is good for…