News tagged with calculators
Scientists Show Strontium's Swimming Skills
Oct 27, 2009 |
3.7 / 5 (3) |
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(PhysOrg.com) -- Recently, a trio from Pacific Northwest National Laboratory and Louisiana Tech University showed that strontium ions congregate on water's surface. Their computer simulation and careful calculations ...
Calculators okay in math class, if students know the facts first
Aug 19, 2008 |
4.3 / 5 (3) |
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Calculators are useful tools in elementary mathematics classes, if students already have some basic skills, new research has found. The findings shed light on the debate about whether and when calculators should be used in ...
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Our devices will spin denser webs of data in 2010s
Electronics / Consumer & Gadgets
Dec 15, 2009 |
5 / 5 (5) |
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(AP) -- Ten years ago, we would have been blown away by a cell phone with far more computing power and memory than the average PC had in 1999, along with a built-in camera and programs to manage every aspect ...
Consumer electronics can help improve patient health
Oct 27, 2009 |
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Electronic tools and technology applications for consumers can help improve health care processes, such as adherence to medication and clinical outcomes like smoking cessation, according to a report by researchers at the ...
Lighter, cheaper, LED light bulbs are starting to enter the marketplace
Oct 22, 2009 |
3.8 / 5 (13) |
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Just when you were finally warming up to the idea of swapping out your old light bulbs with compact fluorescent ones, you may soon find a new alternative at your local hardware store.
More efficient solar power with space technology
Oct 16, 2009 |
2 / 5 (2) |
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(PhysOrg.com) -- A new system from an Italian company uses weather satellite data to estimate the potential of solar cell power plants and monitor their performance. The approach helps to give a faster return ...
Battery ingestion not uncommon in children; caregivers and physicians need education
Oct 05, 2009 |
3.5 / 5 (2) |
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Ten years of case studies at a pediatric hospital and a thorough literature review have shown that it is not uncommon for children to ingest small "button" batteries, either through swallowing or inserting the batteries ...
Professor discovers new way to calculate body's 'Maximum Weight Limit'
Sep 18, 2009 |
3.8 / 5 (4) |
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Most of us are familiar with the term, Body Mass Index, or BMI, as an index to determine healthy body weight. But, calculating BMI involves a complex formula: weight in pounds is multiplied by 703, and then divided by height ...
Carbon nanotubes could make efficient solar cells
Nanotechnology / Nanomaterials
Sep 10, 2009 |
5 / 5 (21) |
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(PhysOrg.com) -- Cornell researchers fabricated, tested and measured a simple solar cell called a photodiode, formed from an individual carbon nanotube.
Green production guidelines give 'road map' for new administration
Sep 01, 2009 |
2.3 / 5 (3) |
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With good directions, anyone can find the right path. That's what George Mason University Professor Nicole Darnall is hoping with her new report that gives clear guidelines on how the government can help businesses ...
How a Solar-Hydrogen Economy Could Supply the World's Energy Needs
Aug 24, 2009 |
4.1 / 5 (48) |
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(PhysOrg.com) -- As the world's oil supply continues to dry out every day, the question of what will replace oil and other fossil fuels is becoming more and more urgent. According to the World Coal Institute, ...
LED there be light
Jun 22, 2009 |
4.2 / 5 (18) |
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Q: How many LED engineers does it take to change a light bulb?
List of search results for calculators
