tinkered with

Having tinkered with electric and hybrid vehicles for more than 15 years, Hyundai has finally brought one of its models to the U.

If you're like most, you've probably tinkered with Twitter for a few weeks, then written it off as a diversion.

They tinkered with a particular type of silicon whose surface is covered with dumbbell-shaped pairs of atoms called dimers.

Over the next four decades, Egypt's presidents tinkered with the text.

But it insists that it has never tinkered with theresults of searches to give its businesses an unfair advantage.

Skywalker constantly tinkered with his starfighter, modifying its systems to optimize performance.

The university has tinkered with several iterations of wearable computers over the years.

Joel Ewanick, GM's chief marketing officer, has tinkered with Chevy advertisements in an effort to strengthen the brand.

At least 10 cities, Shenzen and Wuhan among them, have already tinkered with their hukou system.

Note: I've tinkered with the post as I've learned new things from our multilingual and foul-mouthed commenters. Thanks all.

Tinkered with the engine, hoping to discoverthe trouble; tinkering with the economy by trying various fiscal policies.

In this, a total of 31 volunteers sat in chairs that had been subtly tinkered with to lean either slightly left or slightly right.

He collected some old radio parts and tinkered with them to make a new radio.

Governments have tinkered with fiscal reform for decades for targeted problems, such as landfill space or unleaded fuels.

Not only do we have system we can understand here, but it shows us how evolution could have tinkered with variation.

The government has already tinkered with the policy.

Last year he tinkered with his formula again, converting Tote into Neel, a new restaurant serving Indian food.

In 2007, Beijing tinkered with letting Chinese invest directly in Hong Kong's stock market before the plan was scrapped.