https://padlet.com/willilan001/kjroj3smam6f 2nd period. Willis, Gonzales, Sanchez, Zamarripa en-us 2017-02-24 14:40:42 UTC 2025-04-22 16:28:53 UTC hello@padlet.com sanchada000 https://padlet.com/willilan001/kjroj3smam6f/wish/156408977 _{Microwaves are basically extremely high frequency radio waves, and are made by various types of transmitter.}

_{In a mobile phone, they're made by a transmitter chip and an antenna, in a microwave oven they're made by a "magnetron".}

_{Their wavelength is usually a couple of centimetres. Stars also give off microwaves.}

]]> 2017-02-27 14:21:27 UTC https://padlet.com/willilan001/kjroj3smam6f/wish/156408977 willilan001 https://padlet.com/willilan001/kjroj3smam6f/wish/156412253 Microwaves are used to cook/warm up food. Microwaves are also used for wifi. Radars and traffic cameras use microwaves to find out how far away objects.]]> 2017-02-27 14:28:10 UTC https://padlet.com/willilan001/kjroj3smam6f/wish/156412253 sanchada000 https://padlet.com/willilan001/kjroj3smam6f/wish/156413491 2017-02-27 14:30:54 UTC https://padlet.com/willilan001/kjroj3smam6f/wish/156413491 zamardar000 https://padlet.com/willilan001/kjroj3smam6f/wish/156415897 2017-02-27 14:35:33 UTC https://padlet.com/willilan001/kjroj3smam6f/wish/156415897 zamardar000 https://padlet.com/willilan001/kjroj3smam6f/wish/156416120 2017-02-27 14:36:02 UTC https://padlet.com/willilan001/kjroj3smam6f/wish/156416120 zamardar000 https://padlet.com/willilan001/kjroj3smam6f/wish/156417472 Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter; with frequencies between 300 MHz (100 cm) and 300 GHz (0.1 cm). Different sources define different frequency ranges as microwaves]]> 2017-02-27 14:38:41 UTC https://padlet.com/willilan001/kjroj3smam6f/wish/156417472 willilan001 https://padlet.com/willilan001/kjroj3smam6f/wish/156418693 2017-02-27 14:41:16 UTC https://padlet.com/willilan001/kjroj3smam6f/wish/156418693 gonzalan000 https://padlet.com/willilan001/kjroj3smam6f/wish/157023024 Some research in the past has indicated that the small doses of microwaves from mobile phones might affect parts of your brain - after all, you're holding the transmitter right by your head.]]> 2017-03-01 14:28:26 UTC https://padlet.com/willilan001/kjroj3smam6f/wish/157023024 gonzalan000 https://padlet.com/willilan001/kjroj3smam6f/wish/157023581 Prolonged exposure to significant levels of microwaves is known to cause "cataracts" in your eyes, which is a clouding of the lens preventing you from seeing clearly (if at all!)]]> 2017-03-01 14:29:38 UTC https://padlet.com/willilan001/kjroj3smam6f/wish/157023581 gonzalan000 https://padlet.com/willilan001/kjroj3smam6f/wish/157024852 2017-03-01 14:32:10 UTC https://padlet.com/willilan001/kjroj3smam6f/wish/157024852 gonzalan000 https://padlet.com/willilan001/kjroj3smam6f/wish/157025378 How dangerous is a microwave?]]> 2017-03-01 14:33:13 UTC https://padlet.com/willilan001/kjroj3smam6f/wish/157025378