·Who wants an electric scooter? Two weeks ago the answer was Paris taxi drivers; this week it's Providence, R.I., police officers. ·For a cool $10,000, you too could have a glorious piece of geek decor: the Periodic Coffee Table. ·“Einstein was wrong, and I can prove it!"—rating the minds of fringe scientists. ·For those who don't own a car but are constantly lost anyway, Google rolls out walking directions. ·The newest solution to all our problems: lasers in space.