Interesting Engineering on MSN6 小时
New mortar mix cuts building heat loss by 55%, uses recycled plastic, aerogel
The team created the mortar by replacing a portion of natural sand with a mixture of silica aerogel particles and shredded PET (polyethylene terephthalate) plastic. Silica aerogel is already ...
The Waterloo-Cedar Falls Courier8 小时
Proposed bills would prohibit Iowa cities from including casinos in urban renewal plans
More bills dealing with new casino projects are floating around the Iowa Capitol, but the legislation’s author said they ...