Technology

A Ukrainian lyceum student invented a way to charge a smartphone from bacteria and leftover lunch
A Ukrainian lyceum student invented a way to charge a smartphone from bacteria and leftover lunch

The boy is currently studying at the Ukrainian Physics and Mathematics Lyceum of KNU

A sand battery began to heat houses with accumulated green heat in Finland
A sand battery began to heat houses with accumulated green heat in Finland

Although a sand battery stores 5-10 times less energy per unit volume than a chemical battery, it is a more cost-effective solution

Experts have prepared TOP tips that will make an ordinary smartphone energy efficient
Experts have prepared TOP tips that will make an ordinary smartphone energy efficient

Ukrainians were advised to install energy-efficient "wallpaper"

Kyiv residents will be notified of air quality deterioration in the Kyiv Digital application
Kyiv residents will be notified of air quality deterioration in the Kyiv Digital application

In the case of receiving such a message, Kyiv residents are advised to postpone long walks and refrain from physical activity

Hydrogen trucks have appeared at mines that can help decarbonize the industry
Hydrogen trucks have appeared at mines that can help decarbonize the industry

Decarbonizing the industry goes beyond the quarry trucks themselves and depends on how raw materials are sourced, created and manufactured

Bitcoin is as damaging to the climate as beef
Bitcoin is as damaging to the climate as beef

The cost of the total climate damage caused by all bitcoins from 2016 to 2021 could reach $12 billion

7 US states have formed a hydrogen coalition to decarbonize trucks and cargo ships
7 US states have formed a hydrogen coalition to decarbonize trucks and cargo ships

The coalition may receive funding from the US Department of Energy under the clean hydrogen centers program

Ex-engineer SpaceX wants to get solar energy at night from space mirrors
Ex-engineer SpaceX wants to get solar energy at night from space mirrors

An uncontrolled amount of redirected light can harm nature

China want to produce solar energy in the space
China want to produce solar energy in the space

The use of solar energy from space is attracting the attention of industry and scientists from around the world

A resident of Ternopil came up with a way to heat a house for free with the help of the sun
A resident of Ternopil came up with a way to heat a house for free with the help of the sun

Such a heating system heats three rooms with an area of ​​78 m2 in half an hour

Australia to produce hydrogen from air
Australia to produce hydrogen from air

The efficiency of converting solar energy into hydrogen is more than 15%

The world's first hydrogen trains hit the roads in Germany
The world's first hydrogen trains hit the roads in Germany

Regional rail operator LNVG will no longer purchase diesel trains