Sensor Suhu IC (IC temperature sensor)

Sensor suhu IC (IC temperature sensor) adalah sensor suhu yang prinsip kerjanya didasarkan pada sifat atau perilaku semikonduktor PN junction silikon yang sangat sensitif terhadap suhu/ temperature. Kesensitifan PN junction ini mungkin menjadi kerugian dalam banyak aplikasi, akan tetapi perilaku ini akan sangat menguntungkan bila digunakan dalam perangkat sensor suhu. Continue reading Sensor Suhu IC (IC temperature sensor)

Real-Life ‘Tractor Beam’ Can Levitate Objects Using Sound Waves

acoustic levitation using tractor beam
Researchers recently created an acoustic hologram, or a 3D sound field projected onto a 2D space, which can be used as acoustic tweezers, cages and twisters that manipulate objects as they levitate in air.
Credit: Image courtesy of Asier Marzo, Bruce Drinkwater and Sriram Subramanian © 2015

Continue reading Real-Life ‘Tractor Beam’ Can Levitate Objects Using Sound Waves