The specific steps of the improved BIAP-RRT* algorithm are shown in Fig. 5. The algorithm steps are described in Table 3. First, the random trees \({V}_{1}\) and \({V}_{2}\) are constructed starting from the start and goal points, respectively….
Category: Engineering
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Evaluation and optimal width ratio selection of microbial mineralization technique in the repair of lining cracks in Xinjiang desert open channel
Microbial selection and culture
Microbe stain cultivating
Sporosarcina pasteurii (ATCC 11859) was utilized in the concrete crack repair experiment, purchased from the Shanghai Microbiology Conservation Center, China. Firstly, the strain medium was…
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Synergistic effect of particle packing method, aggregate saturation levels, and paste content in improving the performance of high volume fine recycled aggregate concrete
Mechanical properties of concrete
Compressive strength
The compressive strength of concrete mixes at various curing ages is shown in Fig. 6. Overall, the results showed that the incorporation of FRCA negatively affects the compressive strength of…
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Impact of dry rice grain packing density and time on the performance of two stage dehumidifier
Dehumidification experiments are performed by changing the density of rice desiccant between 1100 and 4390 kg/m3, duration from 0 to 20 minutes, and number of stages. In the experiment above, all measurements were taken at specific time…
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Sun fires strongest flare of 2025, disrupts radios across 5 continents
The sun isn’t just rising—it’s raging.
On Wednesday, the fiery ball of gas unleashed two massive flares, including the strongest eruption of the year so far.
These back-to-back solar storms have caused shortwave radio blackouts across…
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US uncovers hidden radios in Chinese solar inverters, sparks alarm
U.S. energy officials are reportedly reassessing the security risks posed by Chinese-made components in renewable energy infrastructure after discovering hidden communication devices inside certain solar inverters.
A Reuters investigation,…
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1,200 Waymo robotaxis recalled after crashes with poles and gates
Looks like the autonomous future is still a long shot, given the hiccups on the road.
Alphabet-owned Waymo has issued a recall for 1,212 self-driving vehicles after discovering a software flaw that made its robotaxis prone to crashing into…
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US could bolster war dominance using air-launched attack drone
The United States is exploring the idea of air-launching Collaborative Combat Aircraft (CCA) drones from other airplanes, according to reports. This can reduce the dependence on runways and bolster its position during any combat scenarios….
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China lifts export ban on rare earths, military tech in US trade reset
In a significant step toward easing trade tensions, China on Wednesday lifted export restrictions on rare earths and military-use technologies for 28 U.S. entities.
The move comes just two days after Washington and Beijing struck a…
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Energy and memory: A new neural network paradigm
Listen to the first notes of an old, beloved song. Can you name that tune? If you can, congratulations — it’s a triumph of your associative memory, in which one piece of information (the first few notes) triggers the memory of the entire pattern…
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