10 most useful inventions in 2011

In the past five years, Popular Science , a prestigious American science speech organization, has awarded 10 annual scientific inventions to worldwide inventions. Recently, 10 awards for the contribution of human science in 2011 have been published, all not only useful but also interesting.

1. Fake hands Stark Hand

Created by technical inventor Mark Stark, the fake hand Stark Hand is a bright, new medical therapy, replacing the artificial hook that the handless handicap is still used before. Developed for 7 consecutive years, the hand can perform many flexible and complex movements such as catching a ball or holding a glass of wine.

2. Specialized armored gloves for police

For police and security personnel, in addition to capturing criminals quickly, keeping yourself safe is equally important. Armed with a fist containing high-voltage stun electricity, a camera, a laser-fired needle and a flash, the Body Guard armored glove was designed specifically for police to use in situations of such force clashes. This invention was designed by David Brown, cinematographer, film producer and American producer.

3. Hand-held mini printer Print Brush

Less than half a kilogram, the handheld printer, PrintBrush, by the Swedish designer Alex Breton, can be stored in a handbag and helps to print letters or digital images on top of them. plane such as wood, fabric and plastic. This device works more like a computer mouse than a printer. To practice, users only need to surf the brush through the piece of paper to be printed, the device will only take 10 seconds to print ink on the page. The invention has been developed for 11 consecutive years.

4. Skis meet safe ground

Two young British inventors Aaron Coret and Stephen Slen created a snowboard to meet the safety of the Katal Landing Pad 6 years ago after Aaron was injured by a ski accident. The board used in this 2010 Winter Olympic Games is equipped with a giant cushion that makes it easier for landing skiers to land less dangerous.

5. Dynamic eye sunglasses (Dynamic Eye Sunglasses)

Unlike conventional sunglasses, the sunglasses of American Dr. Chris Mullin are equipped with an electronic patch with liquid crystal crystal lens that prevents instant light rays and makes ' cool ' in all places. The most direct and direct sunlight. His eight-year project is largely funded by the United States Air Force. The agency is expected to produce kinetic sunglasses for its pilots and army soldiers.

6. Tiny bug detection nose

The bug has become a notorious insect in American apartments for the past 10 years. Locating the bug's hiding position is a difficult challenge because they can hide in all the gaps. Tiny aphid nose because Chris Goggin, an engineer from California, USA is an effective solution for this. Operating as a dog nose, the bug can sniff out the exact location of the bugs quickly. Chris Goggin intends to create probable noses of other pests such as mice and cockroaches.

7. Smart pen identifies pre-natal diseases

Every year, about 6.3 million women and babies die because of problems related to pregnancy or childbirth. 99.9% of all deaths occur in developing countries where women do not get adequate medical care during pregnancy. So Monagle, a University student and his friends, designed a smart pen to identify much more prenatal and prenatal diseases.

8. Waste water filter into clean water

Named Nassef Zero Liquit Discharge (ZLD), Namon Nassef inventor's waste water purifier helps filter waste water from ships of ships and airplanes by distilling at high temperatures to Finally give out a perfect amount of clean water. The ZLD has been patented by the US Coast Guard.

9. Super light sport surf boat Kymera

The lightest sports surf boat on the market today weighs about 270kg, while the latest Jason Wood invention named the Kymera surfboard weighs only 15.8kg. This cutting-edge tiny boat makes surfing with private boats ' giants ' convenient to any beach. The most up-to-date version of Kymera is about 40km / h.

10. Mirror measuring heart rate

Not the mirror of Snow White and the Seven Dwarfs, but the magic mirror called Medical Mirror by the medical student Ming-Zher Po of Massachusetts Institute of Technology, USA can help you. Your doctor measures your heart rate without using other sophisticated measuring devices. A webcam attached to the mirror will capture different variations of the face the person needs to measure and through mathematical calculations will show your heart rate.