The Heavens in January, 1921

Keith Dalziel: 24 August 1921 - 7 January 1994.

Mobile Internet from the Heavens

Almost two-thirds of the humankind currently does not have access to the Internet, wired or wireless. We present a Space Internet proposal capable of providing Zetabyte/ month capacity which is equivalent to 200GB/month for 5 Billion users Worldwide. Our proposal is based on deploying thousands of low-cost micro-satellites in Low-Earth Orbit (LEO), each capable of providing Terabit/s data rates...

Neutrinos on Earth and in the heavens

Recent data lead us to a simple and intriguing form of the neutrino mass matrix. In particular, we find solar neutrino oscillations to be nearly maximal (and rule out the small-angle MSW explanation of solar neutrino observations) if relic neutrinos comprise at least one percent of the critical mass density of the universe. 08/98 ∗ Research supported in part by the National Science Foundation u...

The Dentists' Act, 1921

new profession by the possible student. The professional status of the Dentist, which was to have been made secure by the Act, was so affected by the unprofessional conduct, such as advertising and canvassing, of the uneducated and unregistered, that few could be found to enter the profession, and so what the Act set out to secure for the protection of the public, it failed to obtain, in that i...

The Practical Medicine Series, 1921