Rather, the theory goes, global warming is caused when changes in the 11-year cycle of the sun cause the Earth to be bombarded by cosmic rays, which are high-energy particles, most of which come from deep in Outer Space.
Minimum energy performance standard. A MEPS (Minimum Energy Performance Standard) is a specification, containing a number of performance requirements for an energy-using device, that effectively limits the maximum amount of energy that may be consumed by a product in performing a specified task. A MEPS is usually made mandatory by a government energy efficiency body.
A postal package sent by the service of United States (USPS) is a piece of mail that you can track from its origin to its destination, whether you're the sender or recipient. When a postal packet is sent, it is assigned a tracking number that you can use to find out where.