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At longer wavelengths than the normal optical wavelengths to which human eyes are normally sensitive, is the radio part of the electromagnetic spectrum.
Following the Beagle voyage, Darwin settled down to a quiet married life, relying on correspondence to gather facts. He wrote thousands of letters as he gathered facts to support his still-secret theory.
Number theory is the branch of mathematics that’s primarily concerned with our counting numbers, 1, 2, 3, etc., and in particular the prime numbers, the ‘building blocks’ of our number system. The subject dates back to the ancient Greeks and is notable for its intrinsic beauty and elegance.
Mars has changed since it formed 4.6 billion years ago. When life started on Earth ~4 billion years ago, Mars was habitable too, with volcanism, a magnetic field, surface water and a thick atmosphere. Today, Mars is cold and dry, with a thin atmosphere and harsh surface.
What are the opportunities for using Information Technology to reduce the cost of healthcare? And what might our healthcare system look like in 10 years time if we make judicious investments in technology?
The birth of rational medicine contributed to the scientific revolution which occurred amongst eastern Greek communities in the 7th-to-5th centuries BCE.