منابع مشابه
Cheryl's Birthday
We present four logic puzzles and after that their solutions. Joseph Yeo designed Cheryl’s Birthday. Mike Hartley came up with a novel solution for One Hundred Prisoners and a Light Bulb. Jonathan Welton designed A Blind Guess and Abby’s Birthday. Hans van Ditmarsch and Barteld Kooi authored the puzzlebookOne Hundred Prisoners and a Light Bulb [5] that contains other knowledge puzzles, and that...
متن کاملBirthday presence
What would you like to do in future? I have learned a lot from chimpanzees. I feel that it is now my turn to work for them. Over the years, I have come to realise that the laboratory study of nonhuman animals should be accompanied by considerations of animal welfare, while field studies should go hand in hand with wildlife conservation. We are facing problems both in Japan and in Africa. There ...
متن کاملTh Birthday
The present state of QFT is analysed from a new viewpoint whose mathematical basis is the modular theory of von Neumann algebras. Its physical consequences suggest new ways of dealing with interactions, symmetries, Hawking-Unruh thermal properties and possibly also extensions of the scheme of renormalized perturbation theory. Interactions are incorporated by using the fact that the S-matrix is ...
متن کاملExtracting Plans From Plans
Propositional plans of all forms often display a certain level of concurrency which can be exploited by scheduling the plan. This reveals the earliest times at which each action can be applied whilst still achieving the goal and shortening the plan duration. However, the output of this scheduling process is simply a set of timestamped actions, losing implicit information present in the original...
متن کاملHAPPY “90th” BIRTHDAY
IVF and embryo transfer for the treatment of human infertility has now resulted in the birth of over 4 million babies. The technique did not arise as a quantum event but was built on the efforts of many earlier workers in the fields of reproductive endocrinology and development. One should remember the famous saying of Isaac Newton: ‘If I have seen further than most, it is because I have stood ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Science
سال: 1966
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.154.3748.465