‘She had a depth of understanding
well beyond her years,’ mentor James
Jonza tells P Rajendran.
Jonza describes Deepika’s efforts to get the titanium dioxide into a form that could be stuck on film.
The idea was to get titanium dioxide to break down the
organic material in the presence of light coming either
directly or off reflectors.
She might have been aware some people she hoped to
ture: 3M GlassBubbles) to the cement, titanium dioxide
and some zinc oxide.
COUR TESY: THE KURUPS
Inset, James Jonza with Deepika Kurup. He mentored her from the finals to victory at the Discovery Education 3M Young Scientist Challenge.
give her water purifier to save from a messy death balked at
the word ‘chemical.’
While she could not dispense with the titanium dioxide,
she was trying to ensure that her model was absolutely safe.
She tried to get water to flow over a titanium dioxide
stuck on a film but that would not work.
Finally she began coating cement balls with titanium
dioxide, but soon found that cement would be a little heavy
to toss into standard plastic bottles.
With Jonza, she decided to add some some highly refrac-
tive — and lightweight — glass spheres (official nomencla-
that there was plenty of light to power the process.
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