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Sunday, December 15, 2013

China's Moon rover sends back first photos.

New images show the probe viewed from the rover

The first robot to land on the Moon in nearly 40 years, China's Jade Rabbit rover, has begun sending back photos, with shots of its lunar lander.

Monday, November 11, 2013

Are we too dependent on technology?

What would happen if your computer crashed? What about if you lost your cellphone? If just thinking about these scenarios gives you anxiety, you’re not alone. Most of us rely so much on technology these days that losing it, even for a day, would be extremely inconvenient, and for some, life-altering.

Monday, October 14, 2013

Apple products in history

We take a look at some of Apple disparity between how the products looked then, photographically, and how they look today.

The Apple Lisa 2 computer.

Saturday, September 07, 2013

US and UK 'crack online encryption'

US and UK intelligence have reportedly cracked the encryption codes protecting the emails, banking and medical records of hundreds of millions of people.

Wednesday, August 28, 2013

'Fastest man-made spinning object' made by scientists

The red squiggles indicate the polarisation of the light beam, which changes as it goes through the purple sphere

A team of researchers claims to have created the world's fastest spinning man-made object.

They were able to levitate and spin a microscopic sphere at speeds of up to 600 million revolutions per minute.

Monday, July 29, 2013

Google launches Chromecast TV.

The device plugs into a television's HDMI slot

Google has announced a low-cost competitor to Apple TV - a "dongle" device called Chromecast.

The dongle is plugged into a television's HDMI port, and allows users to stream media from smartphones, tablets and computers.

Saturday, June 22, 2013

Data storage Byte-sized Infographic guide.

Information is everywhere – whether it’s digital information in our devices, analogue content in books, or biological data encoded in our cells. But how do they compare in terms of storage amount? How have our means of storing information grown over the decades? And do you know what a zettabyte or a yottabyte is?

Monday, June 17, 2013

The Wimshurst machine.

Wimshurst machine with two Leyden jars.

The Wimshurst influence machine is an electrostatic device for generating high voltages developed between 1880 and 1883 by British inventor James Wimshurst (1832 – 1903).

Monday, June 10, 2013

New blood pressure sensor device gives better measurement.

Device monitors fluctuations in blood pressure

A new device could improve how blood pressure is measured, according to NHS researchers.

A team at University College London showed a sensor worn on the wrist could measure the pressure of blood leaving the heart throughout the day.

Friday, June 07, 2013

Tech Tools to Stop Phone Tapping.

Photo: TORFone

Threats of Big Brother watching U.S. citizens seem to have gained credence for several reasons this week. It began when British newspaper The Guardian broke a story revealing that the U.S. government has been secretly, although lawfully,

Thursday, May 09, 2013

YouTube rolling pay-to-watch channels.

YouTube says it has about one billion unique users to its service each month

YouTube has launched a trial scheme for paid channels on its website.

Under the pilot programme, a small number of content makers will offer the channels for subscriptions starting at $0.99 (£0.64) a month.

Monday, April 29, 2013

Erase your data from an old computer or phone.

If you're disposing of old documents such as bank statements and tax forms, security experts recommend shredding the paperwork so it can't be used by  identity theft.

Friday, April 19, 2013

New Earth-like planet found.

This artist's concept depicts Kepler-62f, a planet 1.4 times the size of Earth that circles in the habitable zone of its host star.

NASA's Kepler space telescope has discovered three exoplanets that may be capable of supporting life, and one of them is perhaps the most Earth-like alien world spotted to date, scientists announced (April 18/13).

Friday, April 12, 2013

Bitcoin: The world's first digital currency.

The world’s “first decentralised digital currency” promises financial salvation, but what is it and can it really deliver?

Dubai. Greece. Spain. Portugal. Italy. Cyprus. Ireland. The list of countries needing financial bailouts seems to go on and on. And that’s before you include those banks in the US, the UK and beyond that were “too big to fail”.

Wednesday, March 27, 2013

How to to improve your online security.

Even if you're more tech-shy than tech-savvy, take heed to these easy-to-follow tips on how to beef up your online security.

Friday, March 15, 2013

Google Reader Closing.

Google Reader is a Web-based aggregator, capable of reading Atom and RSS feeds online or offline. It was released by Google on October 7, 2005 through Google Labs. Reader was graduated from beta status on September 17, 2007.

Saturday, March 02, 2013

Loophole in web found.

A website showing how the bug might work was set up by Mr Aboukhadijeh

Gigabytes of junk data could be dumped onto PCs via a loophole in web code, a developer has found.

The loophole exploits a feature of HTML 5 which defines how websites are made and what they can do.

Friday, February 15, 2013

The Fuel cell.

Demonstration model of a direct-methanol fuel cell. The actual fuel cell stack is the layered cube shape in the center of the image

A fuel cell is an electrochemical cell that converts a source fuel into an electric current. It generates electricity inside a cell through reactions between a fuel and an oxidant, triggered in the presence of an electrolyte.

Sunday, February 03, 2013

The Spark Gap.

A spark gap

A spark gap consists of an arrangement of two conducting electrodes separated by a gap usually filled with a gas such as air, designed to allow an electric spark to pass between the conductors. When the voltage difference between the conductors exceeds the gap's breakdown voltage, a spark forms, ionizing the gas and drastically reducing its electrical resistance.

Monday, January 21, 2013

The Superfluid.

Helium II will "creep" along surfaces in order to find its own level - after a short while, the levels in the two containers will equalize. The Rollin film also covers the interior of the larger container; if it were not sealed, the helium II would creep out and escape.

Superfluidity is a state of matter in which viscosity of a fluid vanishes, while thermal conductivity becomes infinite. These unusual effects are observed when liquids, typically of helium-4 or helium-3, overcome friction in surface interaction at a stage (known as the "lambda point", which is temperature and pressure, for helium-4) at which the liquid's viscosity becomes zero.

Saturday, January 12, 2013

Eisenstein view of space-time is right.

Einstein's theory of general relativity predicted that the space-time around Earth would be not only
warped but also twisted by the planet's rotation. Gravity Probe B showed this to be correct.
(Image: NASA)

Scientists traced the journey of photos from a gamma-ray burst that originated 7 billion light years away to determine the shape of space-time.

How to tune an electric guitar.

Jimi Hendrix fender guitar

The electric guitar has become a staple in jazz, rock and pop music. Today, many of us couldn't even imagine our favorite tunes without the influences of Chuck Berry, B.B. King, Eric Clapton, Jimmy Page and countless others — and who could forget how Jimi Hendrix forever changed the American national anthem?

Saturday, January 05, 2013



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