The vagus nerve is a principal component of the parasympathetic autonomic nervous system. VNS has been investigated as a therapeutic intervention for various conditions, including drug-resistant epilepsy, heart failure, ventricular and atrial…
Category: Engineering
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220–325 GHz all-photopolymer Bragg horn antennas towards eco-friendly terahertz applications
Design of all-photopolymer Bragg Horn antennas
All-photopolymer Bragg horn antennas, fabricated from Accura ClearVue (experimentally characterized refractive index \(\:n\left(f\right)=-0.0123{f}^{2}-0.0335f+1.6262\) and absorption coefficient
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Broadband impedance matching for lossy magnetic metamaterials in conductive media
Circuit model in conductive media
To begin, we examine a lossy, uniform mono-atomic MIW with geometric period a, placed in a stable conductive and non-magnetic medium with finite permeability, as shown in Fig. 1a where \(\epsilon _r\) and
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Firefly wins $177M NASA deal for lunar south pole rover mission
Firefly Aerospace has secured a $176.7 million NASA contract to deliver five payloads to the Moon’s south pole in 2029.
The mission, awarded under the Commercial Lunar Payload Services (CLPS) initiative, will rely on Firefly’s Elytra…
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China’s new fuel cell tech boosts power with barely any platinum
Since the 1960s, fuel cells have been gasping for air, literally. Now, Chinese researchers may have cracked the code to let them breathe.
A team of scientists from institutions across China has developed a clever new catalyst layer that…
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AI robot arm builds meals and helps users with limited mobility
Chopping vegetables, opening jars, or plating food might seem routine. But for people with mobility impairments, these simple actions can be complex and exhausting.
Now, engineers at Virginia Tech have developed a robotic system that helps…
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BLS: Monthly Job Numbers Up Slightly in June
The construction industry added 14,000 in June, according to the Jobs Opening and Labor Turnover Survey (JOLTS) released by the U.S. Bureau of Labor Statistics. The number of openings reached 246,000, which was 39,000, or 13.7%, down from June…
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Monthly Job Numbers Up Slightly in June, Says US Bureau of Labor Statistics
The construction industry added 14,000 in June, according to the Jobs Opening and Labor Turnover Survey (JOLTS) released by the U.S. Bureau of Labor Statistics. The number of openings reached 246,000, which was 39,000, or 13.7%, down from June…
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Carbon fiber goes green as German researchers ditch oil for algae
What if the next aircraft you board is built from pond scum?
German scientists have found a way to turn photosynthetic algae into high-performance carbon fiber—ditching dirty fossil fuels along the way.
Led by the Technical University of…
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Quantum Gravity Sensor Powers GPS-Free Navigation
A novel quantum sensor that measures gravity changes by detecting variations in the travel time of falling atoms has been tested in a first of its kind experiment aboard an Australian navy ship.
The sensor — a dual gravimeter — has been…
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