I just tested the Dyson Gen5Detect — and it ruins every other vacuum for me
The Dyson Gen5Detect is, without a doubt, one of the best vacuum cleaners I’ve ever used. Dyson’s reputation precedes it: the ...
ScienceAlert26d
Why Is The Sky Blue? The Answer Is More Complex Than You Might Think
You might think that explaining why the sky is blue would be kind of simple. But even a brief explanation of it requires a lot of science. The colors of everything you see are produced in different ...
pv magazine International27d
High-voltage, super-stable sodium–zinc hybrid batteries
Aqueous, non-lithium-based, rechargeable batteries are promising candidates for next-generation large-scale energy storage systems owing to their safety credentials and low cost. However, their ...
The New York Times27d
Angel Blue Doubted Her Path in Opera. Now She’s a Star.
Performances in N.Y.C. Advertisement Supported by Once used to frequent rejection letters, Blue has become a regular on major stages and is singing the title role in “Aida” at the Metropolitan ...
allthatsinteresting27d
Egyptian Blue: The Prized Dye Used In Egyptian Mummy Portraits, Roman Frescoes, And Renaissance Masterpieces
More than 5,000 years ago, in ancient Egypt, a mixture of silica, lime, copper, and an alkali was heated, resulting in a bright blue compound known as calcium copper silicate. This striking, vibrant ...
Times Argus28d
‘Blue Alchemy’: Renée Greenlee’s cyanotypes explore local waterways
The Vermont Supreme Court Gallery is awash in blue. Deep Prussian blue flows, crystallizes, swirls and pools in cyanotype images — silk panels from Lake Champlain at Perkins Pier the day after the ...
C&EN28d
Sodium-Rich Prussian Blue Analogs Synthesized with Reducing Sodium Salt for Enhanced Rate and Cycling Stability Sodium-Ion Storage
Advanced Battery Technology Center, Harbin Institute of Technology, Weihai 264209, China School of Marine Science and Technology, Harbin Institute of Technology, Weihai 264209, China ...