Here's how the tunnel boring machine, or TBM, works: As the 200-ton TBM moves forward, a round cutter head studded with titanium teeth grinds into the tunnel face and splits large chunks off the rock.

The addendum has a lot of great tips on calculating the proper speed for a fly cutter, too, and alternatives to the fly cutter for facing large surfaces, like using a boring head. [ThisOldTony ...

Tunnel boring machines (TBMs) are very picky about the rocks they chew through. This is why geologists must monitor the rock at the head of every tunnel. On good days, TBMs can bore through rock ...

Wish me luck, I guess. I am beyond frustrated with Kaiser Permanente. It’s been over 5 months since my insurance was supposed to go through, but I still don’t show up as a member in their system.

It makes a big difference who receives that lump-sum payment. In the case of Kaiser Permanente, capitated payments are made directly to the medical group and the physicians who are responsible for ...

If a constant drip, drip, drip keeps you awake at night, or if you get startled by a spray of water from a leaking shower head every time you hop into the shower and turn it on, it’s time for a ...

changing out your showerhead is a quick and relatively affordable bathroom upgrade that can make a big difference to your showering routine. Though most showerheads may look similar and offer many ...

The good news: Filtered shower heads can help mitigate these issues, featuring built-in filtration systems that remove sediment, minerals and metals from your shower water (a process also known as ...

WIRED is where tomorrow is realized. It is the essential source of information and ideas that make sense of a world in constant transformation. The WIRED conversation illuminates how technology is ...

Filing a tax return using the Head of Household (HOH) filing status has qualifying rules but provides a higher standard deduction and lower tax rates. Individuals must support a qualifying ...

Kaiser mental health workers plan to strike today. Californians can now report election misinformation on a website launched by the Secretary of State's office. It's a Fall Classic - the Dodgers ...

Meanwhile, defenseman Wyatt Kaiser, another contender ... would have to expose him to other teams in order to send the big ...