Category Archives: Uncategorized

April 30, 2018
9:22 am
by: Walt

Current Challenges in Science – Scientific Rigor

The accuracy of “scientific” research has recently reappeared in the press.  A previous blog (February 25, 2015) addressed the implication of erroneous published medical research results.  An earlier blog (July 17, 2014) discussed falsifying peer review processes.  The concern is … Continue reading →

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March 31, 2018
12:09 pm
by: Walt

Changes in Nanotechnology Perspectives

There are announcements about new findings or new concepts in nanotechnology that may not appear a “big” changes.  Typically, the definition of nanomaterials is: For a material to be called nanomaterial, its size must be smaller than 100 nm in … Continue reading →

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February 28, 2018
1:01 pm
by: Walt

Medical Nano

The development of nanotechnology in medicine is a longer-term process than nanotechnology in general.  The reason is that the application of any technology, device, or medicine to humans has an involved process with many steps that require a long time … Continue reading →

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January 31, 2018
9:16 am
by: Walt

Is Nano too large?

Are we starting to see device developments at the atomic level?  During 2017, there have been many stories on graphene and other two-dimensional materials.  Various companies have started developing production capabilities.  Yes, graphene and similar material are only one atom … Continue reading →

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December 31, 2017
6:31 pm
by: Walt

Coming Attractions?

It is always a challenge to write an end-of-year blog.  The question is what to focus on. Highlights of 2017? Or possible coming items in 2018?  Or maybe some of both.  There has been some expansion of graphene manufacturing capabilities … Continue reading →

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November 30, 2017
4:47 pm
by: Walt

Semiconductors and Nanotechnology

There is a rule developed by Gordon Moore that projected the increase of density of semiconductors.  For many years the path “Moore’s Law” predicted (a doubling of density roughly every 18 months) has been followed.   The driver for this pattern … Continue reading →

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October 31, 2017
6:00 am
by: Walt

Nano Material Properties and the need for multi-dimensional representations

Material properties are “well” defined.  If one goes to a reference source, the various properties of a pure material can be found.  For example, the atomic number of Lithium is 3.  It has an atomic weight of 6.941.  Its specific … Continue reading →

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September 30, 2017
10:28 pm
by: Walt

Are we missing the important capability of nanomaterials?

Particles with a dimension that is 100nm or less in size are considered nanomaterials.  But, size is not what provides the unique nanomaterial properties that are being observed. Consider the following:  80nm aluminum particles are dangerous as a possible inhalant.  … Continue reading →

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August 31, 2017
4:05 pm
by: Walt

2-dimentional material and other nano properties

Material: Two-dimensional materials seem to have a staying power in various technical news magazines.  The US Department of Energy released a report on efforts involving the Lawrence Berkeley National Laboratory work on molybdenum disulfide (MoS2). [Ref. 1]  Granted that the … Continue reading →

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July 31, 2017
3:24 pm
by: Walt

Nano-Safety Educational Efforts

There is a book being published in late 2017 by De Gruyter called “Nano-Safety, Wheat We Need to Know to Protect Workers” [Ref. 1].  (Full disclosure, I am one of the editors for the tome and co-author of two of … Continue reading →

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