18 Things Your Grandkids Will Never Understand
How many of these once-familiar toys, tools and implements of a bygone era do you still have at your house?
Source: moneytalksnews.com
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How many of these once-familiar toys, tools and implements of a bygone era do you still have at your house?
A novel flask-like nanomotor possessing a photo-triggered switching mechanism between bubble propulsion and non-ionic self-diffusiophoresis has been proposed.