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Holes in a final theory?

Holes in a final theory?

Reviewed by Bernard Carr. There are a some ideas in science – usually those that try to extend it in unorthodox directions, or which trespass too far into the domain of metaphysics – that seem to produce very extreme reactions. Depending on their philosophical propensities, people either passionately embrace or vehemently reject them, but they […]

Bone breakthrough

Bone breakthrough

One of the holy grails of medicine is the production of a compound that help speeds up the regeneration of bone. Toshiyuki Ohnishi and Nobuhiro Moriyama, have patented a material they claim can do so. The bone inducing material comprising a piezoelectric porous membrane. It has been known for sometime that bone has piezoelectric properties, […]

Still moving images

Still moving images

When we walk across a room, our eyes automatically adjust to keep objects in focus. The eyeballs swivel in their sockets to compensate for the movement. Professional camera operators use a harness containing a bulky set of counter-weights to achieve the same effect. In aircraft, a series of spinning mirrors or mechanical scanning devices are […]

Carbon-based electronics

Carbon-based electronics

In addition to being very strong and flexible, carbon nanotubes also have unusual electronic properties. Nanotubes are described by two numbers, conventionally m and n, and a specific nanotube can be metallic or semiconducting, depending on these numbers. Nanotubes are made by rolling up two-dimensional sheets of carbon atoms. The atoms are arranged in hexagons […]

Clouds over Kyoto

Clouds over Kyoto

Even if levels had increased over the previous two years, it was surely not beyond the wit of the world’s most technologically advanced countries to reduce them by the end of the decade. The difficult part was going to be cutting emissions below existing levels. Five years later even that soft target has proved too […]

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