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short_description: AdventureX 2025 is China's largest hackathon.
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topic: adventurex2025
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url: https://adventure-x.org/en
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---
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AdventureX 2025 is China's largest hackathon, taking place in Hangzhou from July 23 to 27. This 72-hour innovation challenge for young developers offers free entry, encourages tech for good, and promotes open source development. Let's once again lose sleep for creation, embrace the uncertain 72 hours. Not just another competition, but a stage for young changemakers, where projects address social issues and technology redefines what's possible - a miracle machine for the youth.
short_description: apollo-server is a Node.js library that allows you to quickly build a GraphQL API server to handle structured client requests.
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topic: apollo-server
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url: https://www.apollographql.com/
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---
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Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-first way. Built for Express, Connect, Hapi, Koa, and more.
PACE [launched into Earth orbit][launch] on 2024-02-08 to extend and improve NASA's over 20-year record of global ocean biology (especially the tiny plants and algae that sustain marine food webs), aerosols (tiny particles suspended in the air), and clouds.
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Two instruments fly on the satellite:
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- The Ocean Color Instrument ([OCI]) is a spectrometer that measures light over portions of the electromagnetic spectrum.
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Sunlight interacting with substances present in open water, such as the green photosynthetic pigment found in phytoplankton and land plants, gives the ocean its dynamic and informative color.
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- The multi-angle polarimeters [HARP2] and [SPEXone] are radiometers that measures how sunlight oscillates within a geometric plane—known as its polarization&mdash.
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Measuring polarization states of UV-to-shortwave light at various angles provides new information on the atmosphere and clouds, such as particle size and composition.
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