HEATKEYS

DX Zone directory with 15000 Amateur Radio links, about Ham-Radio radio scanning, cb radio and shortwave listening, antenna homebrew projects and a complete radio software collection. Include a free classified ads, ham radio reviews and operators di...

Academia.edu helps academics follow the latest research.

Harvard School of Engineering and Applied Sciences. Serving as the connector and integrator of Harvard

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Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

One of the most respected independent labels of all time featuring a diverse roster from punk to post-hardcore, powerpop to hip hop. The best place to find MP3s, videos, ringtones and other media, as well as full discographies, news and tour info for...

YouTube is a place to discover, watch, upload and share videos.

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

R.E.S.-ilience in Value Creation 《竹经：经商经世离不得立根创新》

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document identification, citation graph analysis, and query-sensitive document summaries. ...