Sentences with phrase «as an insulator at»

Not exact matches

It has a copper core and ceramic insulator, as well as trivalent metal plating to keep corrosion and seizing at bay.

And because an insect's exoskeleton has a waxy surface that acts as an electrical insulator, that charge isn't easily dissipated, even when the insect lands on objects, says Randolf Menzel, a neurobiologist at the Free University of Berlin in Germany.

At this year's APS meeting, however, the hallways were filled with talk of a promising newcomer — an eccentric class of materials known as topological insulators.

Mercury telluride crystals are difficult to obtain — they have to be grown one layer at a time using a laborious process known as molecular beam epitaxy — and they are not pure topological insulators because they conduct some electricity on their inside.

At certain points in this cycle, Majorana quasiparticles emerged, arising in pairs out of the superconducting layer and traveling along the edges of the topological insulator just as the electrons did.

Year 4 Science Assessments Objectives covered: Recognise that living things can be grouped in a variety of ways Explore and use classification keys to help group, identify and name a variety of living things in their local and wider environment Recognise that environments can change and that this can sometimes pose dangers to living things Describe the simple functions of the basic parts of the digestive system in humans Identify the different types of teeth in humans and their simple functions Construct and interpret a variety of food chains, identifying producers, predators and prey Compare and group materials together, according to whether they are solids, liquids or gases Observe that some materials change state when they are heated or cooled, and measure or research the temperature at which this happens in degrees Celsius (°C) Identify the part played by evaporation and condensation in the water cycle and associate the rate of evaporation with temperature Identify how sounds are made, associating some of them with something vibrating Recognise that vibrations from sounds travel through a medium to the ear Find patterns between the pitch of a sound and features of the object that produced it Find patterns between the volume of a sound and the strength of the vibrations that produced it Recognise that sounds get fainter as the distance from the sound source increases Identify common appliances that run on electricity Construct a simple series electrical circuit, identifying and naming its basic parts, including cells, wires, bulbs, switches and buzzers Identify whether or not a lamp will light in a simple series circuit, based on whether or not the lamp is part of a complete loop with a battery Recognise that a switch opens and closes a circuit and associate this with whether or not a lamp lights in a simple series circuit Recognise some common conductors and insulators, and associate metals with being good conductors

But it pretty much has to be virtually at the surface, since rock and soil act as an insulators.

Does anybody understand that: at night, on the moon, temp gets to minus -145 C, because is no O&N as insulators.

Given the dimensions involved (surface to TOA times the speed of light = a few (or possibly tens of) milliseconds) this delay as the energy flows through the system multiple times at nearly the speed of light does not emulate the effects of a thermal insulator which actually slows the velocity (rate of forward progress, distance travelled per unit time, etc.).

On the moon, because is no O&N, the coldness at night touches to the ground — on the earth, the REAL greenhouse gases O&N as perfect insulators are keeping that coldness 45 km high up.

Just for fun, after you have corrected your error, surround your house with air as an insulator, turn your external fire off half a day at a time, and tell me again how GHGs work.

As it radiates through the transparent air and cools, the still air acts as an insulator and prevents the ambient air, well ABOVE freezing, from keeping the fruit at ambienAs it radiates through the transparent air and cools, the still air acts as an insulator and prevents the ambient air, well ABOVE freezing, from keeping the fruit at ambienas an insulator and prevents the ambient air, well ABOVE freezing, from keeping the fruit at ambient.