Not exact matches
Still mysterious, however, is how
grid and place
cells obtain the information that every GPS
system requires: the angle and speed of an object's movement relative to a known starting point, says Edvard Moser, co-author of the new study along with May - Britt Moser, his spouse and collaborator.
In research that builds upon the Nobel Prize - winning science, UC San Diego scientists have developed a micro-surgical procedure that makes it possible to remove the area of the rat's brain that contains
grid cells and show what happens to this hard - wired navigational
system when these
grid cells are wiped out.
The Mosers have since carved out a niche studying how
grid cells interact with other specialized neurons to form what may be a complete navigation
system that tells animals where they are going and where they have been.
The prize is for discovering «the brain's navigation
system»: place
cells,
cells in the hippocampus which are active whenever a rat is in a particular place, and
grid cells,
cells in the entorhinal cortex which are active when the animal is at multiple locations in a
grid pattern.
The Mosers themselves noted in a 2014 review, «It will be interesting to see whether the same
cells that respond to visual movement in monkeys also respond to locomotion, or whether there is a separate
system of
grid cells that is responsive to locomotion.»
Grid cells are brain
cells that act as an internal coordinate
system, firing at a series of locations that form a hexagonal
grid across our environment as we move around it.
While algae - powered fuel
cells are unlikely to generate enough electricity to power a
grid system, they may be particularly useful in areas such as rural Africa, where sunlight is in abundance but there is no existing electric
grid system.
A
grid - format picture capture
system allowed the monitoring of living hESC cultures ranging in size from a few hundred micrometers to
cell colonies of several millimetres at a defined picture capture cycle rate.
This
grid system is based upon a
cell size of one
But the calendar is crookedly pinned to the white brick wall of her
cell, another
grid system that must confine her.
In earlier works, Jukkala has drawn on postmodern abstractionists like Peter Halley, with his
cells and conduits that allude to
systems of corporate control, and extended his representational agenda, fragmenting rectilinear shapes into pixelated
grids with jazzy patterns that might be robotic figures or electronic graphics.
Neatly limned ink drawings from 1981 declare the concepts on which his retro - Modernist,
grid - based paintings have been based: they are schematic renderings of prison
cells that represent modern
systems of dwelling, technology and communication as a vast, interconnected penitentiary of consciousness.
Will help big cities clean air and new techniques for separation in nanotubes and electrolysis can couple
systems with desalination and even
grid power production in distributed pwer
cells.
Popular in sub Saharan Africa, PayGo allows users who live off the
grid to use a small and portable solar power
system to have lights at night and a place to charge their
cell phone.
A: Enbridge Gas installed a fuel
cell system beside its head office that generates 2.2 megawatts of low - emission electricity for the local power
grid.
Beyond the
grid, distributed power
systems — solar
cells on rooftops, for example — could also be used to power PHEVs.
Now we can start getting into more real climate models, but ghu, you need a
grid cell resolution of a few kilometers, not 250 or 100 km, and you need to analyse each
cell as its own navier - stokes thermodynamic / fluid dynamic
system, not just a basic heat in vs heat out childs toy.
We make fuel
cell systems that generate electricity from renewable biomass for people without access to an electric
grid.
NCSEA works with its members and partners to transform our state and region's energy
system through leading - edge market innovation and policy advocacy primarily in ten clean energy technology sectors: alternative fuel vehicles (primarily electric vehicles), biogas, energy efficiency, energy storage, fuel
cells, geothermal, hydropower / marine, smart
grid, solar, and wind.
Computer simulation measured the performance of inland and offshore wind farms and photovoltaic
cells, backed up by battery and fuel
cell storage, under the lowest cost conditions, for a 72 gigawatt
grid system (one gigawatt will typically provide power for about 750,000 to a million US households)..
Homeowners with off -
grid needs often create what is known as a hybrid
system, which employs both wind energy and energy generated by solar photovoltaic
cells to keep their batteries charged.
Large battery
cells could also be used to store power from wind and solar
systems (unless by then we have
grid - scale liquid - metal batteries available more cheaply).
Now a new generation of entrepreneurs are experimenting with «pay - as - you go»
systems, mobile banking payments, and community power that extends clean energy from off -
grid cell phone towers to surrounding communities.