lighting Archive

communicationCarbon-neutral Cement Manufacturing

Each year, manufacturers produce around 5 billion tons of portland cement — the gray powder that mixes with water to form the “glue” that holds concrete together. That’s nearly three-quarters of a ton for every person on Earth. For every …

africaSpacex Grasshopper pictures and video

TPM – SpaceX has over the past few months been testing a new experimental reusable rocket design, which the company calls “Grasshopper,” launching and landing it twice in two separate “test hops,” from its site in McGregor, Texas. Spacex’s ultimate …