It uses a mix of Bluetooth and RF to combine the convenience of wireless power with the security of a wireless network. If it all pans out, WattUp could juice up your phone from up to 20 feet (6.1 meters) away. The heart of WattUp is a hub thatâs basically a powerful RF transmitter station. Devices that want to receive power from the hub announce their presence via Bluetooth 4.0. WattUp then uses that connection to direct the wireless power signal to the device.
Last year, the cost of lunch for elementary and high school students went up 50 cents to between $2.50 and $2.75 to make up for increasing costs. Sales dropped by 10 percent. The same thing happened across the nation as school lunch prices increased. A Government Accountability Office study found 1.2 million fewer students across the country bought school lunches between the 2010-11 and 2012-13 school years.
1 For working parents, before and after school care can cost $100-$500 or more a month at public schools (it might be free for low-income students) or $300-$800 or more monthly at private schools.2  Private schools and some public schools require students to wear a school uniform. Low-income students may qualify for free or reduced-price 40 cents maximum) lunches. 2  Some private schools include the cost of lunch in the tuition, or there may be an annual charge of $500-$1,000 or more. 3  The Swain School in Allentown, PA charges $880 a year for grade school lunches.