Nørd
- Arduino, open-source electronics prototyping platform.
- Seeed Studio, US Arduino/SeeeDuino store
- Lego MindStorms Wiki, NXT specific Wiki here..
- RRDtool - Logging and Graphing.
- Vindmølle historie
- OpenTTD, Open Transport Tycoon Deluxe.
- Transport Tycoon Forums
- Warren Block's FreeBSD article index
- Decibel Explained
- Feynman Lectures on Physics
- DR TekstTV
- Noter i Statistik
- It's time to take back control from YouTube and Amazon.
- Science Journal and American Association for the Advancement of Science.
- Videnskab. Dk, Danmarks førende videnskabsmedie
- Nature is a weekly international journal publishing the finest peer-reviewed research
- American Association for the Advancement of Science
- SI Units, The BIPM is an international organization established by the Metre Convention
- The National Institute of Standards and Technology (NIST)