Yellow

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Articles about Yellow

435 published items.

Pencil history
Science invention

Pencil history

In ancient times, Roman times (Rome), the scribe (professional religious scholar of the time) wrote on papyrus with a metal bar called stylus. When writing, it will leav…

December 14, 2018
'Paste' notes on the desktop to remember things
Computer science

'Paste' notes on the desktop to remember things

Yellow or green, red stickers have become familiar to busy people. But a messy, crumpled sticky paper can cause stress, especially when they are blown away by the wind o…

December 13, 2018
Smell-sensitive technology
New technology

Smell-sensitive technology

UK researchers have successfully developed a system capable of rapidly detecting chemicals in small quantities, whether it be contaminants, explosives or drugs.

December 11, 2018
Turn color into gold
New technology

Turn color into gold

A team of experts in the UK creates blue, red, green ingots by changing the way they absorb and reflect the light of the metal.

December 11, 2018
Ash replacement cement
New technology

Ash replacement cement

Be aware that the rivers change color from green to dark yellow or red color of rice husks removed by mills, ...

December 11, 2018
Fish explorer underwater
New technology

Fish explorer underwater

This robot has three colors: white, yellow, red, remote control. In addition to the appearance of a common carp, this robot can swim in the fish tank by curving its fins…

December 11, 2018