Original-but-impracticable systems invented 30 to 15 years ago

Earth: 15 Million Years Ago

In Einstein’s general relativity theory the metric component gxx in the direction of motion (x-direction) of the sun deviates from unity due to a tensor potential caused by the black hole existing around the center of the galaxy. Because the solar system is orbiting around the galactic center at 200 km/s, the theory shows that the Newtonian gravitational potential due to the sun is not quite ra...

I. M. S. Promotion 30 Years Ago

agitation which followed the redaction of several administrative appointments in the I. M. S. in 1880, and the indignation caused among the senior officers by some of the promotions which followed thereon. The amalgamation of the military medical administration of the A. M. D. and of the I. M. S. in India, which had previously been carried on by a double set of officers, one from each service, ...

40 Years Ago

always voice his unhappy or distressing thoughts, and it is often most difficult to recognise the way he is tending, or having recognised it to induce him to seek the help and advice that would save him. And even when his condition has been realised and the man himself persuaded to have treatment, the difficulties in the ^ay of obtaining it for him are often insuperable. Outside of London and a...

Twenty Five Years Ago

so rarely met witH that a description of the following case is not without interest. AEuropean, aged 38, was admitted on the 4th February, 1929, with paresis of the left arm and leg. His previous history showed that he contracted syphilis in 1915, for which he was treated with a full course of murcury and galvarsan. In 1919 his Wasserman reaction was still positive and he had a further course j...

Seventy Five Years Ago