The Archive — A Digital Library by 2RA-Edition
A curated collection of over 8,000 books, academic articles, research reports, theses, and technical documents focused on engineering, extractive metallurgy, mining, chemistry, and scientific research.
What you can do here
- Full-text search across every uploaded PDF — find any word, phrase, or reference inside the documents themselves.
- Smart Search with faceted filters by language, category, publication year, price range, organization, file type, tags, and authors.
- AI-generated abstracts and on-demand multilingual translation across 10 languages including English, French, Spanish, German, Portuguese, Italian, Russian, Chinese, Japanese, and Arabic.
- Reading collections — build public or private curated lists of documents and follow other users' collections.
- Similarity checking — detect plagiarism, near-duplicates, and content matches across the whole library.
- Author payouts — submit your own work and earn from downloads via Stripe Connect.
Subscription plans
Start with a free 5-day trial that includes unlimited downloads and full library access. Continue with a monthly plan (1, 3, 6, or 12 months) or stay on the free tier with 10 downloads per month. Trial members and referrers earn additional download credits.
Browse the library
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