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A new algorithm could significantly speed up web browsing by making caching more effective. The open-source program, called " SIEVE ," introduces a new way to handle web caching — the process of storing and retrieving objects from a computer's long-term storage as you encounter them while surfing the internet. These objects — tiny files stored on your hard drive — include images, logos or entire copies of webpages. When you encounter these elements for the first time, you retrieve them from the server, but they are stored on your hard drive for reuse. The second time you encounter these objects, your browser can retrieve them from your computer's memory rather than from the server, which saves time and consumes less energy.  But because local storage is limited, cache-eviction algorithms work to decide how long to store objects for, and when to replace older ones less frequently accessed by a user, with newer or more popular ones.  Although many such al...

If your Wi-Fi speed is painfully slow, there may be some household items hindering the connection — one common culprit is the humble fishbowl. That is because water is an electrical conductor, unlike wood and bricks and cement, which means the radio waves cannot pass through it. Wi-Fi uses radio waves to send high-speed data through the air over short distances to various devices. Watch the latest News on Channel 7 or stream for free on 7plus >> Anything between the router and the receiving device can inhibit the strength of the Wi-Fi signal inside a home, but some things affect it more than others, absorbing, refracting, reflecting and even blocking it altogether. eWireless founder Henry Kurkowski wrote in his book Remote Work Technology : “Water has a detrimental effect on wireless signals.” “If you have an aquarium, a fishbowl, or even plants between your workspace and the wireless routers, you will have some data issues. “It sounds surprising, but the water will refract ...