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#ros

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crypticcelery 🔜 WHY

I got to play around with a UR5 robot arm today!
It was actually pretty tedious, getting some smaller things to run and integrating three separate components with different drivers and some ifconfig shenanigans. In the end, we got it to grab a banana.

The teach panel (control thingie) was fun though. I even pressed the big red stop button when something went wrong.
I might also have tried to poke people with it :3

#Robotics#Robots#ROS
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DoomsdaysCW

@aka_quant_noir

The Role of Reactive Oxygen Species in Plant Response to #Radiation

From Works cite:
Ultraviolet-B radiation stress triggers reactive oxygen species and regulates the antioxidant defense and photosynthesis systems of intertidal red algae Neoporphyra haitanensis. Front. Mar. Sci. 2022, 9, 1043462. [Google Scholar]

mdpi.com/1422-0067/24/4/3346

MDPIThe Role of Reactive Oxygen Species in Plant Response to RadiationRadiation is widespread in nature, including ultraviolet radiation from the sun, cosmic radiation and radiation emitted by natural radionuclides. Over the years, the increasing industrialization of human beings has brought about more radiation, such as enhanced UV-B radiation due to ground ozone decay, and the emission and contamination of nuclear waste due to the increasing nuclear power plants and radioactive material industry. With additional radiation reaching plants, both negative effects including damage to cell membranes, reduction of photosynthetic rate and premature aging and benefits such as growth promotion and stress resistance enhancement have been observed. ROS (Reactive oxygen species) are reactive oxidants in plant cells, including hydrogen peroxide (H2O2), superoxide anions (O2•−) and hydroxide anion radicals (·OH), which may stimulate the antioxidant system of plants and act as signaling molecules to regulate downstream reactions. A number of studies have observed the change of ROS in plant cells under radiation, and new technology such as RNA-seq has molecularly revealed the regulation of radiative biological effects by ROS. This review summarized recent progress on the role of ROS in plant response to radiations including UV, ion beam and plasma, and may help to reveal the mechanisms of plant responses to radiation.
#NoDumping#FukushimaDaiichi#ROS
Public
Tim Redick :ros: :julia:

Controlling a #kuka robot via the realtime interface in #ROS (1) running in a #Docker container using the #WSL works surprisingly well. I had concerns that the Windows network stack or task management would prevent sending commands to the realtime target with a consistent enough rate. Bonus: even the 3D visualization in #RViz works, although I had to enable software rendering. Otherwise the meshes are not rendered. RViz2 works fine with Nvidia and the Intel GPU.

GIF
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nullagent

The @dataparty api builds on a ton of ideas I've had playing at the intersection of real time(ish) robotics solutions using ROS(Robot Operating System) and also cloud solutions.

An earlier project I built was a cloud scale ROS 1 "master" service 👇🏿 .

I've basically just been srinking down ROS-1 style high performance pub/sub streaming to the point I can run it anywhere and with waaaay more security than ROS1 and targeting general app development.

youtube.com/watch?v=fwk3fmDV4Z

YouTubeVapor Master - Cloud Scaling ROS 1.0By RosHub Inc
#ROS#cloud#robotics
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Tim Redick :ros: :julia:

I'm Tim, got my PhD at the institute of automatic control, RWTH Aachen University. Mostly here for academic, coding and tech topics. Using #ROS and #julialang for my research and sharing the code - I'm an open source enthusiast.
Trying to separate concerns and focus my posts and boost on #tech, #coding, #HomeLab, and my #website.
redick.cc
General raging and German stuff on bsky.app/profile/redick.cc
#introduction (updated)

Tim Redick 🤖IndexHomelab, making, coding, robotics
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