Engineering

This nano-sized iconic tower has 161 steps, 21 bells

Twenty-four years ago, physics professor Harold Craighead and then-doctoral student Dustin Carr created the world’s smallest guitar using cutting-edge technology in what was then...

This robot could help you untangle your hair

With rapidly growing demands on health care systems, nurses typically spend 18 to 40 percent of their time performing direct patient care tasks, oftentimes...

New ankle exoskeleton system can greatly increase walking speed

The new Stanford ankle exoskeleton system increased walking speed by about 40%, shows study Being unable to walk quickly can be frustrating and problematic, but...

Hologram experts can now create real-life images that move in the air

They may be tiny weapons, but scientists have figured out how to create lightsabers -- green for Yoda and red for Darth Vader, naturally...

New molecular glue makes perovskite solar cells super tough

A “molecular glue” dramatically increases the stability and reliability of perovskite solar cells over time, researchers report in a new study. The treatment, which keeps...

Scientists develop new metal-free, recyclable polypeptide battery

The introduction of lithium-ion (Li-ion) batteries has revolutionized technology as a whole, leading to major advances in consumer goods across nearly all sectors. Battery-powered devices...

Your future clothes could be made of algae

Rochester researchers use 3D printing to create a novel, environmentally friendly material made of algae that has applications not only for energy and medicine,...

Scientists develop stable, efficient, anode-free sodium battery

When it comes to batteries, lithium-ion are the best we have as far as energy density and convenience. For now. The Washington University in St. Louis...

Battery parts can be recycled without crushing or melting

New recycling method replenishes lithium in electrodes while keeping existing structure intact – and performance is nearly as good as new ones The proliferation of...

New optical sensors make hydrogen vehicles safer

Hydrogen as a clean, renewable alternative to fossil fuels is part of a sustainable-energy future, and very much already here. However, lingering concerns about flammability...