Word’s bullet point function is essential for breaking up vast piles of text, especially if you can’t use graphics or photos in your documents. Word’s standard list of bullets will cover many ...

Sound waves are commonly used in applications ranging from ultrasound imaging to hyperthermia therapy, in which high temperatures are induced, for example, in tumors to destroy them. In 2010, ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...