The Chinese search site Baidu - which is trying very hard to be the Chinese Google - has created what it calls "smart chopsticks." These chopsticks have sensors that can tell if cooking oil is fresh or has contaminants.
The chopsticks can also measure things like pH levels, temperature, sodium level and calories. An LED gives you feedback. You'll be able to tell at a glance if food is safe and healthy.
See them in action in this video.
If you're one of the many people who can't get the hang of eating with chopsticks, don't worry. I'm sure the same technology will make its way to forks and other utensils.
Baidu hasn't made this claim, but I'm sure some future version will probably also be able to detect ingredients that could cause an allergic reaction. UCLA scientists tried something similar with the iTube smartphone app and test-tube system back in 2013, but it doesn't seem to be gaining any commercial traction just yet. A tester that comes in a more portable package would be easier for people to get behind.
Back to the smart chopsticks, it's still just a prototype, so there's no pricing or release date. Still, it's an example of the future where everything in your life is computerized or modified for other tasks. Learn how the Internet of Things is going to take over your home.