Air pollution inside Philadelphia's subway is much worse than on the streets, study finds

Air pollution inside Philadelphia’s subway is much worse than on the streets, study finds

Credit: Unsplash/CC0 Public Domain The air quality in the City Hall subway station in downtown Philadelphia is much worse than on the sidewalks directly above the station. That is a key finding of our new study published in the Journal of Exposure Science & Environmental Epidemiology. We are an environmental scientist and a biochemist who…

cart with carrot icon on side in a grocery aisle

Instacart’s smart cart helps you navigate to the sauce that’s on sale

If you always have trouble finding that specific pasta sauce like I do, there’s a smart grocery shopping cart that can map it out for you. Instacart’s Caper Cart, which has a touchscreen and payment terminal up front where you’d normally seat your toddler or play Jenga with your produce, now has a new store…

Sonair takes a cue from dolphins to build autonomous 3D vision sans LIDAR

Sonair takes a cue from dolphins to build autonomous 3D vision sans LIDAR

Ultrasound is perhaps best known as the technology that enables non-invasive body scans, underwater communication, and to help us park our cars. A young startup called Sonair out of Norway wants to employ it for something else: 3D computer vision used in autonomous hardware applications.  Sonair’s founder and CEO Knut Sandven believes the company’s application…

Sardinia's sheep farmers battle bluetongue as climate warms

Sardinia’s sheep farmers battle bluetongue as climate warms

Bluetongue can cause nosebleeds, swollen heads, fever and turn an infected animal’s tongue blue. The sheep huddle together, bleeding from the nose, aborting lambs or suffocating on saliva as they succumb to bluetongue, a virus sweeping through flocks on the Italian island of Sardinia. Some 20,000 sheep have died so far this year on the…

Most Popular CNC Machine for Woodworking with Tool Changer

Most Popular CNC Machine for Woodworking with Tool Changer

Applications of Most Popular CNC Machine for Woodworking with Tool Changer 1. Wood furniture Industry: Wave Plate, fine pattern, antique furniture, wooden door, screen, craft sash, composite gates, cupboard doors, interior doors, sofa legs, headboards and so on. 2. Decoration industry: All kinds of decorative painting, screen, decorative pattern, three-dimensional wave board, sound-absorbing panels and…

How to Buy Laser Engraver Cutter for Custom Jewelry Maker?

How to Buy Laser Engraver Cutter for Custom Jewelry Maker?

How to Buy Laser Engraver Cutter for Custom Jewelry Maker? Do you want to make custom jewelry and personalized jewelry for your home shop, small business, industrial manufacturing or getting started a new business to make money? A laser engraver or a laser cutter can help you to complete your custom jewelry making plans, ideas…

4x8 Marble, Granite, Stone Laser Engraving Machine for Sale

4×8 Marble, Granite, Stone Laser Engraving Machine for Sale

What Is Laser Stone Engraving Machine? Laser stone engraving machine is a type of CO2 laser engraver used to engrave stone (including marble, granite, headstone, gravestone, tombstone, soapstone, ceramic tiles and other types of stone). Stone laser engraving machine adopts 4×8 full sheet worktable, which is convenient for engraving, and the engraving format is not…

Automatic CNC Gasket Cutting Machine with Pneumatic Knife

Automatic CNC Gasket Cutting Machine with Pneumatic Knife

What Is CNC Gasket Cutting Machine And How Does It Work? CNC gasket cutting machine is an industrial automatic knife cutter to cut asbestos gaskets, rubber gaskets, non-asbestos plate gaskets, aramid gaskets, cylinder gaskets, rubber gaskets, cotton rubber sheet gaskets, silicone gaskets. It consists of a machine base, a power transmission mechanism, a cutting mechanism…