Science & technology | Improvised weapons

Makeshift arms are pouring out of Ukraine’s ateliers

They will make life unpleasant for the invaders

IT DID NOT take long for Pravda, a trendy microbrewery in Lviv, to switch from brewing beer to mixing Molotov cocktails. It began churning out these improvised incendiaries on February 25th, the day after Russia invaded. Equipment previously employed for brews that won awards in Brussels, Munich and Prague now blends and bottles a concoction made from six parts machine oil, three parts petrol, four parts expanded polystyrene dissolved in a solvent called thinner 646, and a sprinkling of powdered aluminium. The result (see picture above) is soupy, sticky and burns like crazy—the better to disable any Russian military vehicle it is hurled at. After running out of its own bottles, the brewery even stooped, jokes Yuri Zastavny, Pravda’s owner, to filling empties that had once held the likes of Corona and Miller.

This article appeared in the Science & technology section of the print edition under the headline “DARPA on the Dnieper”

The Stalinisation of Russia

From the March 12th 2022 edition

Discover stories from this section and more in the list of contents

Explore the edition

More from Science & technology

A person sleeping. The frame is split between night and day.

Does melatonin work for jet lag?

It can help. But it depends where you’re going

A network of pixelated hearts

Training AI models might not need enormous data centres

Eventually, models could be trained without any dedicated hardware at all


Workers harnessed unto the facade of the Museum of the Future, United Arab Emirates.

How the Gulf’s rulers want to harness the power of science

A stronger R&D base, they hope, will transform their countries’ economies. Will their plan work?


Cancer vaccines are showing promise at last

Trials are under way against skin, brain and lung tumours

New firefighting tech is being trialled in Sardinia’s ancient forests

It could sniff out blazes long before they spread out of control

Can Jeff Bezos match Elon Musk in space?

After 25 years, Blue Origin finally heads to orbit, and hopes to become a contender in the private space race