18
Jul
2018

Titanium dioxide-based whitening treatments may be easier on the teeth

Titanium dioxide nanoparticles have been shown to whiten teeth less harmfully than commonly-used hydrogen peroxide gel

Regardless of what you may think of the practise of teeth-whitening, it appears to not just be a passing fad – and it can harm peoples' teeth. Scientists from China's Nanchang University are out to make it safer, with an experimental new technique.

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Category: Health & Wellbeing

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18
Jul
2018

Origami-inspired device uses a light touch to collect delicate marine life

The RAD sampler closes in on a jellyfish

When scientists are using remote-control submersibles to study deep-sea organisms, it's understandable that they'd want to harmlessly capture fragile-bodied animals such as jellyfish or octopi in order to get a closer look at them. Well, Harvard University's Rotary Actuated Dodecahedron (RAD) sampler is designed for just such a purpose.

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Category: Robotics

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