using composite materal for steps

How to build your own flood sensor for under five bucks

Step 7: Use a new wire to connect the resistor to the negative battery terminal. Step 8: Connect a new wire which we'll call "Lead no. 1" to the positive battery terminal.

6 ways to fraud-proof your retirement savings

Step 2: Activate security features for your accounts DeLiema recommends activating the security features on your financial accounts. Elect to receive fraud alerts and use two-step authentication

Adios, silicon: Why exotic designs are the future

Intel and Samsung today use a process in which more than 10,000 transistors could fit on the side of a red blood cell that's about 7,000nm in diameter. By comparison, a sheet of paper or human

How to deep clean your dryer duct in 5 steps

Chris Monroe/CNET Step 1: Locate your duct . In order to properly clean your dryer's ventilation system, you have to first know where it is and where it ends. In back of most dryer units is a

Hawaii considers banning most plastics at restaurants to

The liberal state has already mandated renewable energy use and prohibited sunscreen ingredients that harm coral

The current state of Microsoft's Fluent Design

Taking a step away from modern design's typographic approach, Fluent is intended to add more natural user experiences to Windows, bringing in effects that mimic the real world while still ensuring

How to grow a mini herb garden and save money

Step 3: Forget seeds, use starter plants Unless you're an experienced gardener, use starter plants for your herbs. This will save you two to three weeks of grow time and increase your chances of a

For Magic Leap to be truly magical, it needs content

Wearable Tech For Magic Leap to be truly magical, it needs content, content, content. After shipping its headset this summer, the mixed reality startup will use its LEAP conference this week to

How VR brought me inside a scary-real radioactive

But then, when I turn to walk down the stairs, I hit an obstruction. At that moment, a loud buzzer, like something out of an old game show, blasts into my ears, breaking the whole illusion.

DIY: home surveillance with IP network cameras

The first step is to use an Ethernet cable to connect your camera to your network, then run the set-up software to set the camera's password and in D-Link's case register it with the My D

The next step for machine learning and AI

David Karandish, founder and CEO of, discusses the next step for machine learning and AI through chatbots and natural processing.

14 cleaning tools that'll make you excited to clean

How to set up Google's two-step verification: With a few minutes of setup time, your account will be much more secure. How to book an Uber or Lyft with Google Home : Use a Google Home and your

Cesar Sayoc pleads guilty to sending pipe bombs to Donald

Cesar Sayoc, 57, pleaded guilty to 65 criminal counts related to the illegal mailing of IEDs, including a charge for the use of a weapon of mass destruction

Does cellphone-sweeping "StingRay" technology go too far

Advocates are increasingly raising objections to police use of the devices that can sweep up cellphone data from an entire neighborhood by mimicking cell towers