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Source channel @githubtrending · Post #15225 · Oct 15
#mdx#bilateral_teleoperation#force_feedback#genesis#gravity_compensation#humanoid_robot#imitation_learning#machine_learning#moveit2#mujoco#open_source#openarm#python#reinforcement_learning#robot#robot_arm#robotics#ros2#teleoperation OpenArm is a special robot arm that helps with physical AI research. It has 7 degrees of freedom, which means it can move like a human arm. This makes it good for tasks that involve touching or moving things safely around people. The robot is open-source, meaning anyone can build, modify, and use it. This is helpful because it makes advanced robotics available to more people, like researchers and students, without costing too much. A complete system with two arms costs about $6,500, which is much cheaper than similar robots. https://github.com/enactic/openarm
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@kejiqu · Post #4079 · 01/18/2026, 03:13 PM
反物质会‘向上掉落’吗？ 科学家们正在研究反物质的特性，特别是其在重力作用下的行为。一个长期存在的谜题是，反物质是否会像普通物质一样向下掉落，还是会受到某种反向的重力影响而向上运动。这一问题对于理解宇宙的基本规律至关重要，并可能对物理学理论产生深远影响。目前的研究旨在通过实验精确测量反物质的重力行为，以验证现有的物理模型。Space.com 🏷#antimatter#重力#物理学 📢频道👥群组📝投稿
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@cosmomyst · Post #574 · 12/22/2025, 10:21 PM
🪐 The future of interstellar travel could harness the power of antimatter propulsion, a technology based on using matter and antimatter (mirror-opposite particles) that annihilate each other to release immense energy. Experiments at places like CERN have shown how much energy is produced when particles like protons and antiprotons meet—a reaction far more powerful than any chemical rocket, making antimatter a real contender for traveling to distant stars such as Proxima Centauri in the distant future. ✨ #spaceships⚡#antimatter⚡#propulsion⚡#nasa⚡#galaxy⚡#stars⚡#astronomy⚡#universe⚡#cosmos⚡#space 👉subscribe Universe Mysteries 👉more Channels