How energy-efficient is cloud computing?

(PhysOrg.com) -- Conventionally, data storage and data processing are done at the user's own computer, using that computer's storage system and processor. An alternative to this method is cloud computing, which is Internet-based ...

UltraRope announced to one-stop zoom up tall buildings

(Phys.org) —Elevator tech has hit a wall, or at least the wrong floor of the person's destination, with limitations that are unable to accommodate the world's tallest buildings. As buildings rise, logistical demands rise ...

LED light bulbs yield big savings in energy

One way the United States could slash its electricity use, dependence on fossil fuels and emissions of heat-trapping gases is really quite simple: better light bulbs.

Stop worrying about how much energy bitcoin uses

The word "bitcoin" is as likely to garnish feverish excitement as it is glaring criticism. The financial community sees speculative promise in the form of trade that currently has little to no regulation. Meanwhile, others ...

Cities affect temperatures for thousands of miles

Even if you live more than 1,000 miles from the nearest large city, it could be affecting your weather. In a new study that shows the extent to which human activities are influencing the atmosphere, scientists have concluded ...

Temperature differences give rise to electricity

More than half of today's energy consumption is squandered in useless waste heat, such as the heat from refrigerators and all sorts of gadgets and the heat from factories and power plants. The energy losses are even greater ...

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