The role Queen Victoria played in making the Christmas tree a festive tradition
The beloved Christmas tree has royal origins, with Queen Victoria playing a key role in popularising this festive tradition ...
Robert Kraft Runs Closer and Closer to History, Marking 50-Year Running Streak
Robert 'Raven' Kraft started his daily tradition of running eight miles along the sands of South Beach. As the New Year approaches, Kr ...
Interesting Engineering4 天
Record-breaking solar cells with 2.39V open-circuit voltage developed by Canadian team
Researchers develop record-breaking solar cells with 2.39V open-circuit voltage, optimized for concentrated photovoltaics ...
U.S. gov't removes China's chip toolmaker AMEC from the list of 'military companies'
The U.S. government no longer considers AMEC an ally of China's military, but this will not have any impact on its daily ...
pv magazine International4 天
Canadian scientists build micro III-V solar cells with record-breaking open circuit voltage
The proposed cell is based on indium gallium phosphide (InGaP), indium gallium arsenide (InGaAs) and germanium (Ge) and has ...
Packaging World5 天
"Tattooed" Fruits Grab Attention, Save Plastic with Laser Date Coding
Laser etching directly onto suitably thick-skinned fruits like mangos and avocados lets Westfalia Fruit eschew plastic price ...
hawkeyeswire.usatoday5 天
Kaleb Johnson becomes Iowa football's next consensus All-American
Iowa running back Kaleb Johnson has officially become Iowa’s next consensus All-American. The breakout year from the Hawkeyes ...
The Christmas Tree’s Royal Roots: How Queen Victoria Popularized This Holiday Staple
The Christmas tree became popular thanks to an 1848 etching of Queen Victoria and Prince Albert decorating an evergreen tree ...
来自MSN18 天
Ion beam etching #science
Quick look at my ion beam etching / milling setup. This is used to gently erode or etch a sample with an accelerated beam of ions. #shorts Two more Texas wins in court: sweeping small business ...