Box office bling: 10 highest-grossing films ever. Film fans and the entertainment press have turned the game of box-office watching into a national sport. We report on the weekend grosses for new releases and sites even allow you to predict the winners and losers. Of course, there's a lot of money at stake. Just look at the list of top-grossing movies; the biggest movies raked in billions of dollars. World all-time box office:
Nano-material is harder than diamonds By Will Knight A material that is harder than diamond has been created in the lab, by packing together tiny ânanorodsâ of carbon. The new material, known as aggregated carbon nanorods (ACNR), was created by compressing and heating super-strong carbon molecules called buckyballs or carbon-60.
Tungsten rings are the most wear resistant rings available on the planet. Tungsten is about 10 times harder than 18K Gold, 5 times harder than tool steel, and 4 times harder than titanium. Tungsten measures between 8 and 9 on the Mohs hardness scale.