White or yellowish with red rims, canker sores are small, painful ulcers that can occur anywhere inside the mouth. The craterlike sores appear fairly suddenly, either singly or in small groups of two or three, and occasionally in much larger clusters.void spicy or acidic foods that can further irritate sores. Try to identify those trigger foods that seem to initial canker sores and eliminate them from your diet. Try to stop gnawing at the inside of your cheek, if this is becoming a habit.
the domino effect noun [singular]. âº the âsituation in which one âevent causes a âseries of ârelated âevents, one âfollowing another: The âcollapse of a âbank could have a âdrastic domino âeffect on other âfinancial âinstitutions.
What is the Casimir Effect? The Casimir effect is a small attractive force that acts between two close parallel uncharged conducting plates. It is due to quantum vacuum fluctuations of the electromagnetic field. The effect was predicted by the Dutch physicist Hendrick Casimir in 1948. According to the quantum theory, the vacuum contains virtual particles which are in a continuous state of fluctuation (see physics FAQ article on virtual particles).