A sandwich that packs a punch
This novel substance was made using a simple and relatively low-cost technology called “electrostatic self-assembly” in which a thin film of material is immersed in a solution containing positively charged ions, washed to remove any impurities ...
Algae-Based, Non-Metallic Batteries Could Revolutionize Energy Storage Industry
A group of researchers at Uppsala University in Sweden have discovered that a particular type of algae — with a bad reputation for causing damaging algal blooms in oceans throughout the world — produces a substance that can be used to make inexpensive ...
A Comprehensive Guide to Cooking Meth on ‘Breaking Bad’
1) states, “It’s called ... gas into the solution, the resulting d-methamphetamine is then precipitated as the HCl salt. In the Nagai method, the β-hydroxyl group on ephedrine or pseudoephedrine is protonated forming a hydronium ion leaving group.
Food Explainer: What’s Cream of Tartar, and Do I Have to Buy It?
A reader recently emailed the Food Explainer to ask for a primer on cream of tartar, a white powder that is called for in many baking recipes ... The cream of tartar also increases the mixture’s hydrogen ions, which prevent the protein molecules ...
Is Organic Food Better For You Than Conventionally Produced Food?
Systematic review of the literature over 50 years finds no evidence for superior nutritional content of organic produce. Yes, yes ... the nutrient or other nutritionally relevant substance assessed, the laboratory analytical methods used, and the methods ...