philosophy of measurement
41History of logic — Philosophy ( …
42Time — This article is about the measurement. For the magazine, see Time (magazine). For other uses, see Time (disambiguation). The flow of sand in an hourglass can be used to keep track of elapsed time. It also concretely represents the present as… …
43Many-worlds interpretation — The quantum mechanical Schrödinger s cat paradox according to the many worlds interpretation. In this interpretation every event is a branch point; the cat is both alive and dead, even before the box is opened, but the alive and dead cats are in… …
44Relational quantum mechanics — This article is intended for those already familiar with quantum mechanics and its attendant interpretational difficulties. Readers who are new to the subject may first want to read the introduction to quantum mechanics. Relational quantum… …
45Interpretation of quantum mechanics — An interpretation of quantum mechanics is a statement which attempts to explain how quantum mechanics informs our understanding of nature. Although quantum mechanics has received thorough experimental testing, many of these experiments are open… …
46Operational definition — The operational definition of a peanut butter sandwich might be simply the result of putting peanut butter on a slice of bread with a butter knife and laying a second equally sized slice of bread on top An operational definition defines something …
47Scientific method — …
48Quantum mechanics — For a generally accessible and less technical introduction to the topic, see Introduction to quantum mechanics. Quantum mechanics …
49Investment management — is the professional management of various securities (shares, bonds etc.) and assets (e.g., real estate), to meet specified investment goals for the benefit of the investors. Investors may be institutions (insurance companies, pension funds,… …
50Science — This article is about the general term, particularly as it refers to experimental sciences. For the specific topics of study by scientists, see Natural science. For other uses, see Science (disambiguation) …
