February 2012's hottest gadgets
The LG Hom-Bot autonomous vacuum maps ceiling edges with an upward-facing camera to determine a room's shape, while its ultrasonic sensor locates obstacles with reflected sound. As the vac rolls, a second camera underneath scans for dirt 2,000 times a second; suction turns on only where there's a mess to clean.
Disponível em: <http://www.popsci.com>. Acesso em: fev. 2014.
RESPONDA A QUESTÃO EM PORTUGUÊS, SEMPRE DE ACORDO COM O TEXTO. RESPOSTAS EM INGLÊS NÃO SERÃO ACEITAS.
Men`s inventive minds are always developing new and creative technology. According to this text,
A) what can this recently-invented gadget do to help busy people?
B) how does this machine work in order to get its job done?