A crystal radio is basically a high Q resonator tied to an antenna and an envelope detector. These days the envelope detector is a point contact diode such as a 1N34 Germanium diode. The resonant ...

kilograms of plastic have entered the ocean since you started reading They have tried to clean Midway up; the huge dump of plastic trash sitting on the runway awaiting collection by boats is ...

Heritage-Crystal Clean, Inc. engages in the provision of parts cleaning and waste management services to the manufacturing and vehicle service sectors. It operates through the Environmental ...

Many people also choose impermeable plastic sheeting, which they lay down in the bed, cut holes in to add their plants, and ...

Planet or Plastic? is National Geographic’s multiyear effort to raise awareness about the global plastic trash crisis. Come to this page often to learn more, and find out what you can do to ...

As you scrub away the stains with a plastic or nylon sponge, continue to add baking soda to the dish until the glass is ...

Taking part in a tricky brainteaser is a great way to encourage your competitive streak and challenge your cognitive ability - especially when you rope family members into joining in on the fun.

LETTER | The Mega Cleaning Programme to mark World Clean Up Day on Sept 20 has come ... Sixteen retail outlets will not be providing single-use plastic bags effective Oct 1, and it is estimated ...

“Code Red! We have an imposter! Unleash the hounds!” In a government statement on Monday, a day ahead of Comrade “Crystal” Meth’s press conference, they referred to the “sting ...

Crystal Raypole’s work appears on Healthline, and she’s previously worked as a writer and editor for GoodTherapy. Her interests include Japanese language and translation, cooking, natural ...