The NIST ytterbium-doped fiber laser used can provide up to 530 watts of laser output at a wavelength of 1.07 microns. At full power, they were able to deliver as much as 3.5 uN (0.35 mg) of force to the mirror. The experiments showed the expected linear relation between measured force and laser output.
It's just the way coffee is. Coffee is acidic. That's what probably upsets your stomach, especially if you're not eating or drinking other fluids throughout the day. People say that using coffee grounds are excellent for growing plants. BUT, they are only good for growing plants that are acidic soil loving plants.
Drinking coffee can worsen symptoms of gallbladder inflammation. Coffee causes the inflamed gallbladder to contract which leads to severe pain in the upper right part of your abdomen.The pain may radiate from your abdomen to your right shoulder. If your gallbladder is inflamed, the doctor may advise you to avoid caffeinated beverages such as coffee, tea, colas and energy drinks.