Sentences with word «microwatt»

And as the equipment descends, everything will pass a bank of ultraviolet lights that bathes it with 40,000 microwatts per square centimeter of cell - killing energy.

Instead, the phone harvests the few microwatts of power it requires from either ambient radio signals or light.

UW engineers have designed the first battery - free cellphone that can send and receive calls using only a few microwatts of power.

Using a polyvinyl alcohol / phosphoric acid gel as an electrolyte, a solid - state micro-supercapacitor made from a pair of fibers offered a volumetric density of 6.3 microwatt hours per cubic millimeter, which is comparable to that of a 4 - volt -500-microampere-hour thin film lithium battery.

But the various types of energy harvesters developed so far generate mere microwatts to hundreds of milliwatts of power, well below the amount needed to recharge a typical portable electronics battery.

The primary restriction of ambient radio signal harvesting is that devices can draw limited amounts of power — measured in microwatts — even from large numbers of signals.

Light in - tensities of 30 microwatts per square centimeter in the blue spectrum transform the toxic bilirubin into a soluble form that can easily be removed by the infant's immature organs.

University of Washington engineers have designed a battery - free cell phone that can send and receive calls using only a few microwatts of power.

The product's developers, engineers and scientists at Nanyang Technological University (NTU) in Singapore, Tsinghua University in China, and Case Western Reserve University in the United States, believe the storage capacity by volume (called volumetric energy density) is the highest reported for carbon - based microscale supercapacitors to date: 6.3 microwatt hours per cubic millimeter.

In animal tests, electrical output reached 0.2 microwatts per square centimeter, potentially strong enough to power self - contained pacemakers and make battery - replacement surgeries a thing of the past.

The bot also uses only 7 microwatts of electricity when perching — it goes through about 2700 times that when it flies, according to a study today in Science.

When our bag is loaded with 3 kilos of books, we produce a continuous output of 4 microwatts.

The entire device is powered by just 4 microwatts and has a mass of 10 milligrams.

«That's been the biggest challenge — the amount of power you can actually gather from ambient radio or light is on the order of 1 or 10 microwatts.

The prototype has a power budget of 3.5 microwatts.

Its two electrodes, which altogether took up just 0.266 milliliters of the 5 - milliliter fuel cell, in total generated a peak power level of 6.5 microwatts, or millionths of a watt.

The first application of these fuel cells could be to power artificial urinary sphincters, which would require up to 200 microwatts, Cinquin explains.

A milliliter's worth of these electrodes could in principle generate a peak power level of 24.4 microwatts, more than the 10 microwatts typically needed by pacemakers, the researchers added.

«Our flow sensor system achieves an ultra-low power consumption of 12.6 microwatts,» Cheong says.

In the team's demonstrations, the total power consumption of the backscatter system was 11 microwatts, which could be easily supplied by a tiny coin - cell battery for a couple of years, or powered using tiny solar cells.

So the two took a highly conductive graphene electrode, loaded it with saliva - eating bacteria, and within weeks they were producing nearly one microwatt, a millionth of a watt of power.

A microwatt is a tiny amount of power, but it is enough for lab - on - a-chip devices, diagnostic tools and monitoring tools such as Mink's diabetes tracker.

That panel generated the most wattage of any existing small - scale bio-solar cells: 5.59 microwatts.

Exquisitely sensitive nanoscale sensors require very little power — about a microwatt — to do things like detect pathogens or cancer proteins.

Radio waves and microwaves of far less power (microwatts per square centimetre) than the 10 — 20 milliwatts per square centimetre needed to produce heating in living tissue can have adverse effects on the electrochemical balance of the brain and the development of a fetus if these waves are modulated or pulsed at low frequencies between 5 and 100 hertz, which are of the same magnitude as brain wave frequencies.

This then increases to 100 microwatts (70 dBA) when spoken in a raised voice, and 1,000 microwatts (80 dBA) when shouting.

According to the Acoustics of Schools: a design guide, the standard sound power output created by speech is 10 microwatts, which amounts to a sound pressure level of 60 dBA at one metre in front of the speaker.

Am I correct in calculating that the present rate of growth in the anthropenic forcing from CO2 from fossil fuel consumption is currently somewaht greater than a milliwatt / year, or about 4 microwatts per day?

Previous approaches either made use of heat sinks — which are heavy, stiff and bulky — or were able to generate only one microwatt or less of power per centimeter squared (µW / cm2).

On the average, a smart meter puts out 0.01 microwatts (compared to 10 - 20 microwatts for your WiFi).

According to the research results, the small monocrystalline solar cells (22 % efficiency) used in the study were able to generate «much more» than the typical 5 to 10 microwatts that typical cardiac pacemakers use, as even the lowest power output measured by the devices was an average of 12 microwatts.