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tRNA in vitro production Oligonucleotides containing tRNA under a T7 promoter and followed by an HDV ribozyme61 were synthesized by IDT as high-fidelity DNA microchip oligo pools from 254–275 nucleotides in length, and dsDNA was amplified in a single PCR reaction for each pool. These tRNA pools included 48 unique E. coli isoacceptor tRNAs with
D-shaped magnets form part of a tokamak that is being built for a nuclear-fusion pilot project. Credit: Commonwealth Fusion Systems About a dozen technicians, in hard hats and protective clothing, move around a large, double-height room. Some are checking pipes coming up through the floor into a raised, circular platform. Others work on instruments installed
Most spacecraft use solar panels to power their equipment — but missions to places such as the shadowed craters of the Moon or the deep Solar System can’t rely on energy from the Sun. Could nuclear fuel, with its high energy density, be a promising alternative? In this film, Nature explores the work of a
Inside a nondescript warehouse in an industrial park in Oakville, Canada, sits a squat forklift truck that requires no driver. When activated by its remote operator, the vehicle trundles to a stack of huge clay blocks, each weighing 8,000 kilograms, and carries them into a narrow rock tunnel. Another custom-built machine then fills the spaces
OpenAI said it’s ending its contract with Cursor, a coding startup recently acquired by SpaceX, because it doesn’t trust an Elon Musk-owned company to comply with its terms of service. The company said in a statement published on Friday night that it plans to shut off Cursor’s access to OpenAI models on November 12. “This