Cosmic Background Radiation
In 1965 astronomers announced that they had detected an “echo” of the Big Bang — the event in which our universe is believed to have been born. Cosmic background radiation. This is for Sunday, July …
Hans Bethe: where do the stars get their energy?
In 1938, Hans Bethe’s pioneering work answered a question that had been nagging scientists for years — that is, where do the stars get their energy? This is for Monday, July 2 — a landmark …
New York City vs. Catskill Watershed Residents
Since 1840, New York City has been drawing water through an aqueduct from the Croton River north of the city. With an increase in population over the years the demand for water became greater. As …
Bee Control: Simple swarm control
A simple method of swarm control & queen rearing This is yet another variation on the artificial swarming technique; it has the advantage over other methods of requiring no attention after the initial manipulation and …
Bee Culture: The Causes of Bad Temper in Bees
The principle sub-species of European honeybees all have the reputation for gentleness and ease of handling, possibly because they have been selectively bred for these characteristics for generations in the countries of their origin. The …
Bee Culture: Heather Honey
What is Heather ? Heathers are small evergreen shrubs that grow well in acid soil and are common throughout Europe. You can commonly find them on poor soils, heathland, moors and in mountainous areas. In …
Varroosis: a parasitic infestation of honey bees
What is Varroosis ? The infestation of honey bee colonies by the parasitic mite Varroa jacobsoni is known as varroosis (pronounced varro-osis. This mite, generally referred to simply as varroa, is specific to honey bees. …
Bee Culture: Pneumatic Equipment: The Good and The Bad
Pneumatic staplers are reported to be four to five times faster than hand nailing and due to various adhesive materials coating the fasteners, pneumatic fasteners should provide considerably more holding power. In reality, when assembling …
Bee Culture: Pneumatic Equipment: The Good and The Bad Continue »
Bee Culture: Frame Components
The Top Bar The top bar can be either thick ( 3/4″ ) or thin (3/8″ ). All manufactured top bars are 18-7/8″ to 19″ long and are 1-1/16″ wide. Though still usable, the variation …