Toughened glass was first invented by a glassmaker who wanted to make a windscreen for a vehicle such as a car or a train so that it would break into lots of tiny fragments that would cause less injury to someone if they were thrown through it if the vehicle was involved in a collision. (If ordinary glass were used it would crack into large pieces which would badly cut that person.)
25 kg/m2 is a density of a toughened glass with 10 mm thick. If you want convert that measure into kN, then multiply by the factor "g" that is gravity (9.81 m/s2) and you get 25 x 9.81 = 245.25 kN/m2.
Google Glass was invented to develop augmented reality glasses to help us in our daily life.
1822
in Atlanta
emboldened, strengthened, burgeoned, fortified
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The material for most bus windows is toughened glassThe material for most bus windows is toughened glass
Shoot it, look at the effects to the glass.
On average, 3mm toughened glass weighs approximately 7.5 kg per square meter.
Standard toughened glass is class 0
gorilla glass is a toughened glass, developed by Corning, especially for use in touchscreen applications
Toughened glass cannot be cut after it has been processed, as it will shatter into small pieces if any attempt is made to cut it. The toughening process puts the glass under high surface compression, making it resistant to cutting.
Normal float glass is toughened and the two pieces of toughened glasses stuck together with a multilayer PVB in between (lamination), to make bullet proof glass. Refer: http://theglassblog.wordpress.com/tag/glass-tempering/ https://theglassblog.wordpress.com/tag/laminated-glass/
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10Kilo
On average, 10mm thick toughened glass weighs approximately 7.5 kg per square meter. The weight may vary slightly depending on the specific type and manufacturing process of the glass.
Toughened glass is transparent, allowing light to pass through. It is specifically designed to be stronger and more impact resistant than regular glass, making it a popular choice for applications where safety and durability are important.