My fear for a future of climate change | Letters

My fear for a future of climate change | Letters

Protesters hold a banner reading Change the System not the Climate during the Rise for the Climate march in Paris on 8 September 2018. I have had a long and happy life but what am I leaving my great-grandchildren?

Why an Army of Small Companies Is Defending The Sprint/T-Mobile Merger

Why an Army of Small Companies Is Defending The Sprint/T-Mobile Merger

By helpfully suggesting talking points to resellers—or MVNOs, for Mobile Virtual Network Operators—including Mint Mobile, Republic Wireless, and Ting, all of which lease access from the Big Four network operators (Verizon, AT&T, Sprint, and T-Mobile) in order to sell phone and data services to customers, T-Mobile is following the usual "air of inevitability" merger playbook.Susan Crawford (@scrawford is an Ideas contributor for WIRED, a professor at Harvard Law School, and author of Captive Audience: The Telecom Industry and Monopoly Power in the New Gilded Age.What's so troubling about T-Mobile's get-out-the-vote campaign is who is aiding the company’s lobbying.

HP's New 3-D Printers Build Items Not of Plastic but of Steel

HP's New 3-D Printers Build Items Not of Plastic but of Steel

HP's New 3-D Printers Build Items Not of Plastic but of SteelHP is hoping its new Metal Jet 3-D printers will provide inroads into manufacturing sectors such as automobiles and medical devices.HPWhen you think about 3-D printing, chances are you think of little plastic doodads created by desktop devices like those made by MakerBot. Computing and printer giant HP wants you to think about metal.Today the company announced the Metal Jet printer, an industrial-scale 3-D printer that builds items not of plastic but of steel.3-D plastic printing is widely used for custom items such as prosthetics and hearing aids, and by product designers for prototyping.