Can someone explain what they are trying to say with the whole, &quot;room temperature&quot; thing.<p>&gt;The carbon is then hit with a single laser pulse lasting approximately 200 nanoseconds. During this pulse, the temperature of the carbon is raised to 4,000 Kelvin (or around 3,727 degrees Celsius)<p>Are they trying to say that they can make diamonds at STP as opposed to creating a controlled environment in a box?