Homes & Gardens on MSN3d
What is a soil blocker? Plant pros explain how to use this ingenious tool, and how 'air pruning' can give your plants healthier roots
Soil blockers can make seedlings much stronger. I spoke to the experts about how a soil blocker works, and why it's ...
Scientific American5d
Centenary of the Steam Engine—James Watt
It operates mechanism in mines on the lofty Cordilleras ... the other end of the beam was connected with the plunger of a pump. Steam was admitted from the boiler under the piston, and when ...
newsroom.unfccc.int23h
The Clean Development Mechanism
The Clean Development Mechanism (CDM), defined in Article 12 of the Protocol, allows a country with an emission-reduction or emission-limitation commitment under the Kyoto Protocol (Annex B Party) to ...
chromatographyonline3d
All News
A pyrolysis gas chromatography-mass spectrometry (Py-GC/MS) methodology has been specifically developed for the identification and quantification of seven polymers commonly found in tap water. The ...