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Quiz: Eureka!

IT's all about the light bulb moments. If it weren't for those flashes of brilliance, we'd be freezing in the dark, without the comfort of TV or iPod. (Our computers wouldn't work very well either.) How much do you know about the light bulb moments that brought us to the current state of technology?

1. Speaking of light bulbs, if we switched from incandescent to solid state lighting, we could cut associated power demand by 50%. What is solid state lighting based on?
Answer

2. Thomas Edison is generally credited for alternating current and Marconi is almost inevitably called the inventor of radio. Who's the real inventor of both?
Answer

3. The real Law of Attraction, this is the force that pulls you toward your SO -- and everything else on earth. Kudos to Isaac Newton for pinning down the concept. What is it?
Answer

4. This multipurpose electromagnetic energy comes in handy for wireless transmission and is also very popular for a common domestic use. Perry Spencer had the inspiration for the latter purpose when a chocolate bar melted in his pocket. What is it?
Answer

5. You might have heard the buzz around this invention -- if you're under 30, that is. It's a device that emits a high-pitched sound that's inaudible to most mature folk but almost unbearable to teenagers. What is it?
Answer

6. Chester Carlson invented this now very prevalent technology in the 1930s. At the time, Kodak, IBM, General Electric and RCA thought it was useless and all turned Carlson away. What is it?
Answer

7. The zoopraxiscope, invented by Eadweard Muybridge and first shown in 1879, led to the creation of __________, one of the most popular diversions of all time. What is it?
Answer

8. This device, created by Selwyn Wright, is capable of blocking noise, such as snoring, music and chattering co-workers. What is it?
Answer

9. Another sound idea, this could make it possible for you to watch a shoot-em-up TV show while a companion seated next to you enjoyed classical music. It's a technology that makes it possible to focus sound much as a laser focuses light. What is it?
Answer

10. This device, invented by three scientists at the Bell Laboratories in 1947, is the basic element of the integrated circuit. What is it?
Answer

How many did you get right? Let us know!

Want to discover more? See our quiz collection.

This was last updated in March 2008

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