The moons of Neptune

Neptune and its moons. Outer (Irregular) Moons: Neptune’s irregular moons consist of the planet’s remaining satellites (including Triton). With the exception of Triton and Nereid, N...


The Free Software Foundation: 30 years in

Things have changed a lot in 30 years. These days we have software, services, social networks, and more to consider. Expanding the base of free software users and the free software m...


Five myths about gravitational waves

Credit: NASA/ESA/wikimedia The scientists behind the BICEP2 (Background Imaging of Cosmic Extragalactic Polarization) telescope, last year made an extraordinary claim that they had ...