Food Expiry Dates and Food Waste

Jill Roberts explains the confusion about food expiration dates . She cites a USDA study by Buzby, Wells and Hyman which reports that 31% of U.S. foodstuff is wasted (2014, p. 12, Table 1). This happens in part due to conservative expiry dates.

-DD

Google Search Operators

Joshua Hardwick has developed a list of Google search operators . Tuesday I found it very useful creating a search in Google Scholar.

-DD

Emo

Justin Sayles provides a short review of emo music and its makers.

-DD

Ansel Adams

Rebecca Senf explores the development of Ansel Adams' photographic style.

-DD

Fuel From Carbon Dioxide in the Air?

Aldo Steinfeld reports on technology for catalyzing fuel from sunlight, water and carbon dioxide in the air .

-DD

Math Visualization

Grant Sanderson has created the YouTube channel 3blue1brown which provides math visualizations.

I learned about this site from an an article by Charlie Wood on the history of quaternions, a mathematical construction for describing the motion of a globe (and much more)developed by William Hamilton October 16, 1843.

-DD

How to Be Respected

Jacqueline Whitmore lists character qualities which cause people to be respected .

-DD

Hiding Personal Information

Crystal Wilde suggests ways to purge personal information from Google search results .

-DD

HDMI Basics

Benj Edwards explains they various HDMI standards and the cabling specifications these standards require.

-DD

For an Ordered Life

Readers' Digest Editors share small tips for big improvements in organizing your life.

-DD

Reviving the Dead Computer

David Nield offers tips for harvesting data from a dying computer.

-DD

Flaw With Oximeters

Rebecca Sohn shares research that pulse oximeters are less accurate for persons of color . This may partially explain higher death rates for brown and black persons during the COVID pandemic

-DD

Carrington Event

Mitt Ribel warns that our technology is emperiled by solar coronal mass ejections which could fry our microchips.

-DD

ADHD Hacks

Rob Rosenthal shares hacks for succeeding despite an ADHD (or a life with undiagnosed ADHD behaviors).

-DD

Brain Fog From Long Covid

Maggtie Chen reports on research into brain fog resulting from COVID-19. Researchers Michelle Monje and Akiko Iwasaki have found COVID-19 brain fog may be the result of the same type of damage as that which causes brain fog in chemotherapy patients.

-DD