Physical Science

Skywatcher’sSuper Plossls are amongst the lowest priced eyepieces available today at a mere £20. As such you could be forgiven for dismissing them altogether, if you did, however, you’d be missing out on an incredible bargain as each one of…
Read more

The chemical element tungsten carrying the chemical symbol of “W” is taken from a Swedish phrase which means “heavy stone.” It is one ot the metals known as a transition metal with the highest melting point of any metal which…
Read more

Boron Symbol: B Atomic Number: 5 Atomic Mass: 10.811 amu (atomic mass units) Melting Point: 2300.0 C (2573.15 K, 4172.0 F) Boiling Point: 2550.0 C (2823.15 K, 4622.0 F) Number of Protons: 5 Number of Electrons: 5 Number of Neutrons:…
Read more

Skywatcher seem to have the budget Plossl market well and trully sewnup with their range of Super Plossls priced at a mere £20. One could be forgiven for overlooking these eyepieces as too cheap to be of any use but this is…
Read more

The chemical element boron is the first element of the IIIA group on the periodic table of elements commonly known as the aluminum family. What distinguishes boron from it’s sister elements in the aluminum family is that it is not…
Read more

At £80 there are certainly cheaper Plossls available than the 32mm offering from Televue and at times it certainly can be  benefiacial to save the pennies but this 32mm is one of those times where you get what you pay…
Read more

In 1885 Austrian chemist Carl Auer (Baron von Welsbach) discovered neodymium in the mineral didymia which was extracted from ceria which was found in Sweden in 1803. After nearly a century of work with ceria several new elemnets were found…
Read more

Volume and mass are two concepts that are at the core of measuring amounts, both in science and in life at large.  In simple terms, volume measures the amount of space occupied by an object or material, while mass measures…
Read more

Discovered in 1901 by French chemist Eugene-Anatole Demarcay, europium was one of the last rare earth metals (lanthanides) ever discovered. Demarcay discovered europium while studying samarium an element which had been discovered only twenty years earlier. Europium as may be…
Read more

Tungsten is a grayish white metal discovered in 1758 and derived from the Swedish word meaning “heavy stone”. In 1753 a couple of Spanish chemists seperated Tungsten from Wolframite. At 6,292 F, it has the highest melting point of all…
Read more