Sentences with phrase «live electrical source»

Not exact matches

Claire Gmachl, who was not involved in the research and is Princeton's Eugene Higgins Professor of Electrical Engineering and a pioneer in the field of semiconductor lasers, said that because lasers, masers and other forms of coherent light sources are used in communications, sensing, medicine and many other aspects of modern life, the study is an important one.

It is only after hacker cult figure Morpheus agrees to show Tom «how deep the rabbit hole goes» that Tom, and we, learn The Ugly Truth: the surface of the earth has been uninhabitable for centuries, and all humans are spending their lives in a virtual reality construct, while a complex network of machines uses the electrical energy and body heat from their real bodies, which are stored in individual pods, as a fuel source.

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

He was the man who gave us our current electrical grid through his development of the alternating current, but later in life, he doggedly pursued the Holy Grail of energy: a source of limitless wireless energy.

She runs electrical resistances or sources of heat through the materials she uses, creating delicate and ephemeral physical reactions, revealing all that which in daily life is hidden from view and beyond our comprehension.

You are correct, because most of the people on this planet are scratching to make a living and feed their family and probably don't have an electrical source to even plug in a fridge much less a laptop computer.

Non-hydro «renewable» electrical energy is also more expensive to produce from a system viewpoint than most fossil fuel energy; non-hydro «renewable» sources have a much shorter useful life and operate for much less of each year at much less of their rated capacity.

nations of sub-Saharan Africa) will be the ones that will have to make the largest proportional sacrifices to their (already low) standard of living, by, for example, renouncing cheap and reliable sources of electrical energy (ex.