The low risk posed by X-rays to a mother and her unborn baby means that ultrasound is used instead of X-rays for pre-natal checks. Other uses of X-rays Before the use of gamma rays [gamma ray: A type of ionising radiation that consists of a high-energy electromagnetic wave.] , a high-energy, concentrated dose of X-rays was used to treat some cancers.
Unlike your standard $0.50 or $1 toll booth, these guys arenât cheap. The George Washington toll is $8.00 and the Throgs Neck toll is $5.50. Round trip, I paid $19.00 in tolls and it got me to wondering just how much these toll booths collect each and every day. On the George Washington Bridge, there are 23 cash toll booths as well as 8 EZ pass booths.
Last December, the price per kWh for electricity in Washington was 3.8 percent below the national average. In 2013 and 2015, prices for the Washington area and the national average for electricity were identical in December. (See chart 2.) The price paid by Washington area consumers for utility (piped) gas, commonly referred to as natural gas, was $1.192 per therm in December, 14.4 percent above the national average of $1.042 per therm.