Portugal Top Sites for Physics

    Iop.org

    Mpg.de

    Cern.ch

    Sofisica.com.br

    Lip.pt

    Perimeterinstitute.ca

    Physicsclassroom.com

    Symmetrymagazine.org

    Desy.de

    Physics.org

    Real-world-physics-problems.com

    Einstein-online.info

    Eufisica.com

    Physicsoftheuniverse.com

    Aapm.org

    Ictp.it

    Physicscentral.com

    Fqxi.org

    Superstringtheory.com

    Gravity-gravity.tumblr.com

    Osa.org

    Aplusphysics.com

    Physics.info

    Aapt.org

    Einstein-website.de

    Pirsa.org

    Miniphysics.com

    Physicsnet.co.uk

    Atlas.ch

    Nikhef.nl

    Thephysicscafe.com

    Physics247.com