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.
Washington area households paid an average of 13.0 cents per kilowatt hour (kWh) of electricity in February 2015, almost unchanged from 12.9 cents per kWh in February 2014. The average price of utility (piped) gas at $1.087 per therm in February was down 7.5 percent from $1.175 per therm a year earlier.asoline prices averaged $2.272 a gallon in the Washington-Baltimore area in February 2015, the U.S. Bureau of Labor Statistics reported today.