Consider a composite conducting-dielectric object illuminated by an incident plane wave Ei, in which the dielectric region is composed of non-magnetic materials (µ = µ0). According to the equivalence principle, the conducting bodies and the…
Category: Engineering
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Macro and micronutrient based soil fertility zonation using fuzzy logic and geospatial techniques
The study develops a composite model by integrating fuzzy inference systems (FIS) with geoinformatics (kriging technique) coupled with experimentation procedures. The modeling procedure is illustrated in Fig. 1, while Fig. 2 presents the…
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A low resistance circular diverter tee based on an improved random forest model
Optimized random forest model for tee design
This paper optimizes the flow shape of a circular water pipe confluence tee, which is a multifactor regression problem. The random forest (RF) model, as a powerful and flexible ensemble learning method,…
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ML modeling of ultimate and relative bond strength for corroded rebars based on concrete and steel properties
Bond, A. Development of Straight Reinforcing Bars in Tension (aci 408r-03) (American Concrete Institute Committee, 2003).
Okelo, R. & Yuan, R. L. Bond strength of fiber reinforced polymer…
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Breakthrough recovery technique brings dead donor hearts back to life
For the first time, donor hearts that once lay still after death are being revived without controversy or cost, thanks to a breakthrough by Vanderbilt scientists.
Heart transplants from donors after circulatory death (DCD) have long been…
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3D-printed steel bacteria battery hits record-breaking energy output
Sometimes the answer isn’t in a lab across the world, it’s just one floor down.
At Binghamton University, Professor Seokheun “Sean” Choi has been developing bacteria-powered biobatteries for over a decade. But a major leap forward…
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China Launches Construction of Megadam Project
China has begun construction on what will be the world’s largest hydropower dam, a facility with a projected annual generation capacity of 300 billion kWh of electricity—nearly three times the production of the Three Gorges Dam, the record…
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New soft robot arm scrubs toilets and dishes with drill-level force
As much as I love the independence of living by myself, it comes with a heavy price of cleaning. No one warns you how much time you’ll spend scrubbing burnt pans, greasy counters, or mystery stains you didn’t even know existed. And while…
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Ancient viral DNA may help unlock what makes us human today
Buried in our DNA lies ancient viral code once dismissed as junk, and now it might be pulling the genetic strings.
McGill University and Kyoto University scientists have uncovered overlooked viral sequences in the human genome that could play…
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White House Highlights Cost Increase for Federal Reserve HQ Renovation
A broader dispute over fiscal policy has drawn the attention of the Trump administration to the Federal Reserve’s project renovating its Washington, D.C. headquarters as cost increases have driven the project’s budget up by about $600 million…
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