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Сообщение: <blockquote data-quote="Morrissambit" data-source="post: 1009511" data-attributes="member: 85778">Olhu 7 moments that defined the Obama presidencyAn 11-year-old from Colorado has been named the country s top young scientist after developing a system that can quickly detect the presence of lead in drinking water.Gitanjali Rao, a sixth grader from Lone Tree, Colorado, was named winner of the Discovery Educ <a href="https://www.stanley-tumbler.us">stanley website</a> ation 3M Young Scientist Challenge and brought home a $25,000 top prize.As part o <a href="https://www.cups-stanley.ca">stanley canada</a> f her project, Gitanjali developed a new test that connected to mobile phones via Bluetooth to measure the amount of lead in a sample of water. She named the system  Tethys  after the Greek goddess of water.Currently, lead levels are tested with strips 鈥?which work quickly but are often unrelia <a href="https://www.stanleycup.lt">stanley cup</a> ble 鈥?or sent to the EPA for testing 鈥?which is expensive and takes time. Gitanjali says her system offers a more accurate, less expensive option.Tethys requires a test cartridge, which contains carbon nanotubes that are able detect lead. The cartridges connect to a device that reads the levels, which then sends the results to a user s smartphone via a Bluetoot Pbjq 15 of the best celebrity Halloween costumesA man and woman were assaulted in an Anne <a href="https://www.stanley-cup.co.nz">stanley cup nz</a>  Arundel County parking garage Monday morning, police said.The victims were in a garage in the 1900 block of McGuckian St. in Annapolis, Md., w <a href="https://www.stanley-quencher.us">stanley water jug</a> hen a man, Alkein Matthews, 28, of Glen Burnie, Md.,approached and pointed a handgun at them.The male victim fled, but the woman had some property destroyed as she as assaulted by Matthews. It was determined both vict <a href="https://www.stanley-cups.us">stanley website</a> ims knew Matthews.Officers saw Matthews fleeing the area in a vehicle and stopped him on Forest Drive.He was arrested with a loaded handgun in his waistband, a vial of PCP in his pocket, and $500 cash. Matthewswas charged with first-degree assault, possession of a controlled dangerous substance with intent to distributeand 16 other charges. He is being held at the Jennifer Road Detention Center without bond.</blockquote>

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