The Rudolph Research J257 Wide Range Refractometer was developed by working together with laboratory refractometer users from the polymer, petroleum, petrochemical, pharmaceutical and essential oil ...

If you would like to try home brewing, you need a refractometer. A refractometer allows you to measure sugar concentration in the wort. You then use this measurement to calculate the beer’s alcohol ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Elissa Sanci Elissa Sanci ...

Streaming’s domination of TV viewing continues to edge closer to half of the overall total, with the category hitting 47.3% for the month of July. Netflix posted a 5% increase month-over-month, ...

The ideal TV viewing distance depends on the screen size and resolution, which influences how close you should sit. To prevent eye strain, follow the 20-20-20 rule: Take a 20-second break every 20 ...

THE light-scattering method of molecular weight determination involves the measurement of the difference in refractive indices of a solution and its solvent. To this end special differential ...

Rewatching old shows may seem like a waste of time, but a repeat viewing is rewarding in its own way. By Melissa Kirsch Everyone seems to be rewatching the prestige shows of the early 21st century ...