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Physicists create reversible laser tractor beam

Physicists have built a tractor beam out of lasers that can both repel and attract objects across distances 100 times farther than previously possible.

By October 19, 2014

Article

DARPA testing planes with a 'Star Wars'-style laser cannon

We don't have X-wing fighters just yet, but we may soon have their laser weapons. DARPA is working on a system that's downright Lucasian.

By September 15, 2014

Article

Philips SlimStyle LED earns Energy Star certification

The energy efficient, flat-shaped bulb will now retail for less than $4 in many parts of the US, and for as little as $1.97 in at least one market.

By April 24, 2014

Article

Scientists map the 219 million stars of the visible Milky Way

A new catalogue of the visible Milky Way is the most detailed yet, charting 219 million distinct stars in the region we can see from Earth.

By September 22, 2014

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Mutant star's behavior baffles astronomers

A giant star in the Canis Majoris constellation isn't acting like itself, and scientists are doing their best to figure out why.

By June 4, 2014

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NASA catches sun making freaky jack-o'-lantern face

Even our sun isn't immune from cosplay fever. A recent NASA image captures a perfect storm of magnetic fields that give the sun the look of a carved Halloween pumpkin.

By October 13, 2014

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NASA finds 'Mighty Mouse' pulsar brighter than 10 million suns

The discovery of a new unusually bright dead star leads astronomers to question assumptions about a type of cosmic radiation -- and pulsars themselves.

By October 8, 2014

Article

Samsung amongst winners in 'off-grid' super energy efficient TV design awards

Meet the best flatscreen TVs designed for the developing world to run on 'off-grid' energy, such as personal solar panels, as named by clean energy initiative Global LEAP.

By May 13, 2014

Article

How OLED lighting aims to be the star of the glow (Q&A)

As costs drop for the easy-on-the-eyes, next-gen tech, Acuity Brands pushes a new range of lighting products. This week, it'll announce the Nomi.

By May 27, 2014

Article

Light bulb buying guide

The landscape of lighting is changing rapidly. Here's everything you'll need to know to keep up.

By October 2, 2014