cable
Board Review: Tabletop Video Games With Physical Pieces
I loved Board's unique blend of tabletop gaming, but my family gave it mixed reviews. Encourages everyone to play together at the table. Diverse launch titles show potential. Must be plugged in and includes a fairly short cable. This innovative mashup of digital and physical gaming worlds is a tabletop tablet designed to get family and friends playing together in the same room.
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The best TV antennas for rural areas to get live television
Streaming is great, but still has local programming gaps. We may earn revenue from the products available on this page and participate in affiliate programs. Streaming can be difficult in rural areas, but there's likely still lots of free over-the-air HD content you can access with a solid antenna. When dealing with long distances and tricky terrain, you'll want a robust antenna to pull in those sweet signals. We have chosen the Antennas Direct 8-Element Bowtie as our best overall option for its exceptional range, excellent build quality, and easy of installation.
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Kinematically Controllable Cable Robots with Reconfigurable End-effectors
To enlarge the translational workspace of cable-driven robots, one common approach is to increase the number of cables. However, this introduces two challenges: (1) cable interference significantly reduces the rotational workspace, and (2) the solution of tensions in cables becomes non-unique, resulting in difficulties for kinematic control of the robot. In this work, we design structurally simple reconfigurable end-effectors for cable robots. By incorporating a spring, a helical-grooved shaft, and a matching nut, relative linear motions between end-effector components are converted into relative rotations, thereby expanding the rotational workspace of the mechanism. Meanwhile, a bearing is introduced to provide an additional rotational degree of freedom, making the mechanism non-redundant. As a result, the robot's motion can be controlled purely through kinematics without additional tension sensing and control.
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Inside the Data Centers That Train A.I. and Drain the Electrical Grid
A data center, which can use as much electricity as Philadelphia, is the new American factory, creating the future and propping up the economy. "I do guess that a lot of the world gets covered in data centers," Sam Altman, the C.E.O. of OpenAI, has said. Drive in almost any direction from almost any American city, and soon enough you'll arrive at a data center--a giant white box rising from graded earth, flanked by generators and fenced like a prison yard. Data centers for artificial intelligence are the new American factory. Packed with computing equipment, they absorb information and emit A.I. Since the launch of ChatGPT, in 2022, they have begun to multiply at an astonishing rate. "I do guess that a lot of the world gets covered in data centers over time," Sam Altman, the C.E.O. of OpenAI, recently said. The leading independent operator of A.I. data centers in the United States is CoreWeave, which was founded eight years ago, as a casual experiment. In 2017, traders at a middling New York hedge fund decided to begin mining cryptocurrency, which they used as the entry fee for their fantasy-football league. To mine the crypto, they bought a graphics-processing unit, a powerful microchip made by the company Nvidia. The G.P.U. was marketed to video gamers, but Nvidia offered software that turned it into a low-budget supercomputer. "It was so successful, from a return-of-capital perspective, that we started scaling it," Brian Venturo, one of CoreWeave's co-founders, told me. "If you make your money back in, like, five days, you want to do that a lot." Within a year, the traders had quit the hedge-fund business and bought several thousand G.P.U.s, which they ran from Venturo's grandfather's garage, in New Jersey.
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ANGEL: A Novel Gripper for Versatile and Light-touch Fruit Harvesting
Patel, Dharmik, Pantoja, Antonio Rafael Vazquez, Lei, Jiuzhou, Lee, Kiju, Liang, Xiao, Zheng, Minghui
Abstract-- Fruit harvesting remains predominantly a labor-intensive process, motivating the development of research for robotic grippers. Conventional rigid or vacuum-driven grippers require complex mechanical design or high energy consumption. Current enveloping-based fruit harvesting grippers lack adaptability to fruits of different sizes. This paper introduces a drawstring-inspired, cable-driven soft gripper for versatile and gentle fruit harvesting. The design employs 3D-printed Thermoplastic Polyurethane (TPU) pockets with integrated steel wires that constrict around the fruit when actuated, distributing pressure uniformly to minimize bruising and allow versatility to fruits of varying sizes. The lightweight structure, which requires few components, reduces mechanical complexity and cost compared to other grippers. Actuation is achieved through servo-driven cable control, while motor feedback provides autonomous grip adjustment with tunable grip strength. Experimental validation shows that, for tomatoes within the gripper's effective size range, harvesting was achieved with a 0% immediate damage rate and a bruising rate of less than 9% after five days, reinforcing the gripper's suitability for fruit harvesting. While there is ongoing research and development towards fruit harvesting solutions [1] [2], hand-picking remains the dominant method due to its delicacy for soft fruits [3].
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From the telegraph to AI, our communications systems have always had hidden environmental costs
When we post to a group chat or talk to an AI chatbot, we don't think about how these technologies came to be. We take it for granted we can instantly communicate. We only notice the importance and reach of these systems when they're not accessible. Companies describe these systems with metaphors such as the "cloud" or "artificial intelligence", suggesting something intangible. But they are deeply material.
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CableInspect-AD: An Expert-Annotated Anomaly Detection Dataset
Machine learning models are increasingly being deployed in real-world contexts. However, systematic studies on their transferability to specific and critical applications are underrepresented in the research literature. An important example is visual anomaly detection (V AD) for robotic power line inspection.
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