(Roughly) Daily

Posts Tagged ‘koala

The Sound of Silage…

click on the bar above, or here

Can readers identify these “bellowing bedfellows“?

More aural amusement at Sounds Like Science, a project of NYU’s Science, Health, and Environmental Reporting Program.  And for more, visit the British Library’s Listen to Nature.

As we rethink our concept of “cute,” we might recall that it was on this date in 1896 that Clement Hardy was issued a U.S. patent for the rotary disk plow (No. 556,972).  The plow disks were designed to be drawn into the earth by their own action and by the weight of the soil lifted by the disks and carried on their faces and have a cutting action on the bottom of the furrow instead of scraping– enabling much lighter (and more easily drawn) plows than had previously been necessary to force the disks into the soil and hold them to their work.

a modern version at work (source)


Written by (Roughly) Daily

March 24, 2011 at 1:01 am