Experiments showed that the device was able to clean 99.997% of E. coli bacteria from the water within approximately 20 minutes.
at Austin developed a mug-sized, cube-shaped device that can use battery-generated electricity to eliminate bacteria from contaminated water.
A 3D-printed prototype of a portable water purification device, shown without the needed electrodes. While it only takes about 20 minutes to clean the water, the device can work continuously for many hours, according to the research team.Fireworks display have been a big part of Independence Day celebrations for a long time, but in recent years, some parts of the U.S. have opted to replace it with high-tech alternatives. Here's what you should know about fireworks, and why it is being replaced in some cities.
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