“Bright colours are very noticeable to songbirds, they should see the cats further away, allowing them to escape earlier,” Ms Hall said.
“Because it’s based on colour and vision, cats won’t be able to learn to make it stop working.
“Unlike what people say about bells. [They say] that cats can learn to make them less effective over time.”
English is the language of Shakespeare and the language of Chaucer. It’s spoken in dozens of countries around the world, from the United States to a tiny island named Tristan da Cunha. It reflects the influences of centuries of international exchange, including conquest and colonization, from the Vikings through the 21st century. Here are 25 maps and charts that explain how English got started and evolved into the differently accented languages spoken today.
This technology, developed in Japan about 10 years ago, can produce fuel from waste plastics. İşlenerek petrol, diesel or gas oil which might be converted into a variety of fuels, and this fluid can be used in everyday life.
1 kilogram of plastic waste-1 liter of oil can produce this device, the world’s biggest pollution of plastics can be used to harmlessly back to …
One of the smallest and safest oil-to-plastic conversion machines out on the market by Japanese company Blest.
It lists pain on a scale from one to four and unsurprisingly the bullet ant tops the charts.
- Level 4: bullet ant, tarantula hawk wasp
- Level 3: paper wasp, harvester ant
- Level 2: honey bee, yellow jacket wasp, bald-faced hornet
- Level 1.5: bullhorn acacia ant
- Level 1: fire ant, sweat bee
Three engineering physics students at the University of British Columbia in Canada have invented the ProtoCycler, a device that can grind up all kinds of waste plastic into a beautiful clean spool of plastic filament that can be used in a 3D printer
via This new device recycles plastic bottles into 3D-printing material – ScienceAlert.