Search results
Results from the WOW.Com Content Network
A major polycarbonate market is the production of compact discs, DVDs, and Blu-ray discs. [13] These discs are produced by injection-molding polycarbonate into a mold cavity that has on one side a metal stamper containing a negative image of the disc data, while the other mold side is a mirrored surface.
Polycarbonate drink containers are also a source of exposure, although most disposable drinks bottles are actually made of PET, which contains no BPA. Among the non-food sources, exposure routes include through dust, [ 10 ] thermal paper, [ 20 ] clothing, [ 19 ] dental materials, [ 70 ] and medical devices. [ 17 ]
Energy drinks vary wildly, but often fall within the range of 70 to 200 mg per serving. The source of the caffeine itself also depends on the brand, and it can ultimately impact the nutritional ...
Integrating hygroscopic movement into smart building designs and systems is frequently mentioned, e.g. self-opening windows. [20] Such movement is appealing, an adaptive, self-shaping response that requires no external force or energy. However, capabilities of current material choices are limited.
Our team of editors tried energy drinks from 21 brands, sampling several flavors from each brand (whatever you do, do NOT try this at home). These are our unfiltered reviews of some of the most ...
The following is a notable list of energy drinks, with a few coffee variants, and some soft drinks such as Coca-Cola, Mountain Dew, and Pepsi listed for comparison, and marked in a different color. The caffeine content in coffee and tea varies, depending on how the coffee beans were roasted, among other factors.
A Norwegian study of 53,000 people published in BMJ Open has linked energy drinks to insomnia and poor-quality sleep, and you don’t have to be downing one a day in order to see the negative ...
An energy drink is a type of functional beverage containing stimulant compounds, usually caffeine, which is marketed as providing mental and physical stimulation ...