Energy & Green Tech

Experiments show dramatic increase in solar cell output

In any conventional silicon-based solar cell, there is an absolute limit on overall efficiency, based partly on the fact that each photon of light can only knock loose a single electron, even if that photon carried twice ...

Engineering

Carbon dioxide electrolysis as an alternative to coal

Coal in the Rhenish region is not only an important fuel for power generation. It is also used by the chemical industry to produce important basic chemicals. But by the time of the coal phase-out these substances will have ...

Robotics

Scientists create the next generation of living robots

Last year, a team of biologists and computer scientists from Tufts University and the University of Vermont (UVM) created novel, tiny self-healing biological machines from frog cells called "Xenobots" that could move around, ...

Robotics

Researchers create nano-bot to probe inside human cells

University of Toronto Engineering researchers have built a set of magnetic 'tweezers' that can position a nano-scale bead inside a human cell in three dimensions with unprecedented precision. The nano-bot has already been ...

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