How Matches are Made?

One of the first matches were used in 5th century in China, called the sulfur match, they were small sticks of pinewood impregnated with sulfur. After that came the Safety match, that was invented by the Swedish chemist Gustaf Erik Pasch in first half of 1800’s and popularized by the industrialist John Edvard Lundström in second part of 19th century.… Continue reading How Matches are Made?

How Do Vending Machines Detect Coins?

The currency detectors in vending machines is a device that determines whether banknotes or coins are real or fake. These devices are used in many modern automated vending machines. The Science Channel explains how vending machines detect coin values, ignore fakes, and prevent hanging snacks. This machine can decipher coins with pinpoint accuracy. Light sensors measure the size… Continue reading How Do Vending Machines Detect Coins?

12 Arab Innovators Become Stars of Science on MBC4

Twelve of the Arab world’s most promising and remarkable young innovators beat thousands of rival applicants to be selected as candidates on the seventh season of Stars of Science, Qatar Foundation for Education, Science and Community Development ‘s (QF) “edutainment reality” TV program on MBC4. This selection concludes the casting phase and marks the onset… Continue reading 12 Arab Innovators Become Stars of Science on MBC4

Creating a Sun-Powered Death Ray

Kevin Moore and Grant Reynolds from What Could Possibly Go Wrong? on the Science Channel attempted to create a focused beam of light hot enough to melt bronze. To accomplish this goal, they will only use the lenses of old projection TV’s and the abundant light of the sun. Watch the video below.