WASHINGTON — Coronavirus cases, hospitalizations and deaths have been hitting records for weeks, as winter holidays continue and we enter the flu season. As headlines about hospitals reaching high ...

Consumers and designers of portable systems increasingly want to know the remaining capacity of their battery as precisely as possible. They also want warnings to signal when to change the battery to ...

THERE has long been a need for a simple objective criterion to indicate when use of a respirator should be started during the acute illness of poliomyelitis and to guide the weaning of patients with ...

A millilitre (ml) is a unit of measurement. Small amounts of liquid are recorded in millilitres. A teaspoon can hold about 5 millilitres. Capacity is the maximum amount of space inside a container or ...