منابع مشابه
Into the fourth dimension
The influence of time on the drought response of Brassica rapa, an agriculturally important species of plant, has been clarified.
متن کاملThe Fourth Dimension
Have you heard enough about consolidation and eliminating redundant costs from the distribution system? Are you tired of hearing that wholesalers must become more efficient and execute better? All of us hear these same themes over and over; and make no mistake, they partially define the trends shaping our industry for the foreseeable future. IBG understands these trends; we’ve talked about them...
متن کاملFeatures of glacial valley profiles simply explained
[1] Glacial occupation of alpine valleys results in a distinct signature in the long-valley profile, including steepening of the profile in the headwaters, flattening at lower elevations, and a step in the profile at the convergence of headwater tributaries. We present analytic results for glacial erosion patterns by making the following assumptions: (1) the initial profile is linear, (2) the w...
متن کاملImaging in the fourth dimension.
scientists find themselves in an odd, but perhaps not surprising, situation. As the number of studies increases, so does the number of conflicting results. On page 80 of this issue, Patel and Balaban provide an example of what has been missing in neuroimaging — a new approach that adds time as the fourth dimension. Usually, three-dimensional images of cerebral blood flow, metabolic changes or t...
متن کاملTesting in the Fourth Dimension
Digital testing in the last three decades has taught us the value of design for testability (DFT). Disciplines such as scan and built-in self-test (BIST) have emerged as standard practices because they allow logic testing of arbitrarily large systems. This has been one of the greatest achievements in testing thus far. These past decades have also produced significant advances in semiconductor t...
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: Scientific American
سال: 1908
ISSN: 0036-8733
DOI: 10.1038/scientificamerican03211908-202