Add Yahoo as a preferred source to see more of our stories on Google. Can you reverse a cavity in your tooth? (liv_irl/nikkicocobeauty via TikTok) I dread going to the dentist as much as the next ...

Temporal cavity solitons are packets of light persisting in a continuously driven nonlinear resonator. They are robust attracting states, readily excited through a phase-insensitive and ...

Good oral hygiene is important to your overall oral health and well-being. But even if you take care of your teeth, you might notice some discoloration. It can be tricky to tell the difference between ...

[Curious Droid] is back with a history lesson on one of the most important inventions of the 20th century: The cavity magnetron. Forged in the fighting of World War II, the cavity magnetron was the ...

Cavities are one of the most common forms of tooth decay among children in the United States. They affect roughly 20 percent of children between the ages of 5 and 11. Multiple factors can influence ...

GaN-based vertical-cavity surface-emitting lasers (VCSELs) are promising for displays, sensing and optical communication, but improving efficiency remains challenging. Researchers have now shown that ...

Skipping the dentist isn’t worth sacrificing a healthy smile. andersphoto/Shutterstock A sharp zing in your tooth is usually the first sign of a cavity wreaking ...

Semiconductor lasers are the most widely used lasers due to their compact size, high efficiency, low cost and wide spectra. But they suffer low output power and low beam quality—two specifications ...